CN216116516U - Reaction frame device is markd to high-speed railway wheel rail power - Google Patents

Abstract

The utility model discloses a high-speed rail wheel-rail force calibration reaction frame device, and relates to the technical field of high-speed rail wheel-rail force. The utility model comprises a beam component, a jack component, a claw hooking component, a clamping plate component and a long rod component; the jack assembly is positioned at the bottom of the beam assembly and is in threaded rotary connection with the beam assembly; the hook claw assembly is positioned at the bottom of the beam assembly and is in hinged fit with the beam assembly; the clamping plate component is positioned at one side of the two symmetrical hook claw components and is clamped between the two hook claw components; the long rod assembly is positioned at one end of the jack assembly and is in threaded connection with the jack assembly. According to the utility model, through the design of the beam assembly, the jack assembly, the claw hooking assembly and the clamping plate assembly, the clamping and fixing of single high-speed rails with different specifications and sizes are realized, and the accuracy of a tester during testing is increased; through the design to stock subassembly and jack subassembly, realized fixed to the centre gripping of high-speed railway double track, avoided the unnecessary damage that causes among the clamping process.

Description

Reaction frame device is markd to high-speed railway wheel rail power

Technical Field

The utility model belongs to the technical field of high-speed rail wheel rail force, and particularly relates to a high-speed rail wheel rail force calibration reaction frame device.

Background

The wheel-rail force comprises a vertical wheel-rail force and a transverse wheel-rail force, wherein the vertical wheel-rail force is a force which is caused by the self weight of a train, the irregularity of a rail and other factors and acts on the steel rail by a wheel in a direction parallel to the symmetrical axis of the section of the steel rail; the transverse wheel-rail force refers to the force of the wheel on the steel rail, which is caused by the factors of creeping, friction between the wheel tread and the top surface of the steel rail or the contact between the wheel flange and the side surface of the rail head and the like, and acts on the steel rail when being vertical to the symmetrical axis of the section of the steel rail; the derailment coefficient can be calculated through the ratio of the transverse wheel rail force and the vertical wheel rail force, so that whether the wheel rail force can be accurately calibrated or not is directly related to the test result of the wheel rail force, the calculation results of safety indexes such as the train derailment coefficient, the wheel load shedding rate and the like are further influenced, and the judgment and evaluation on the train operation safety are finally influenced.

The existing high-speed rail wheel rail force testing method mostly adopts a force measuring wheel method, the high-speed rail wheel rail force testing method has high testing cost in the actual operation process, and needs to carry out operation of pasting a strain gauge on a spare wheel pair in the testing process and carry out corresponding punching manufacture on the high-speed rail wheel rail, the calibration procedure is complicated and time-consuming, and the testing equipment in the existing high-speed rail wheel rail force testing method has the defects of inconvenient disassembly and assembly and inconvenient carrying of testers after disassembly; in addition, when a tester conducts vertical force loading and transverse force loading tests on the high-speed rail, the clamping fixation of the single rail and the double rail with different sizes cannot be met, the test error is increased, and unnecessary damage to the high-speed rail can be caused in the clamping process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-speed rail wheel rail force calibration reaction frame device, which solves the problems that in the existing force measuring wheel method, the calibration procedure is complicated, the clamping and fixing of single rails and double rails with different sizes cannot be met, the test error is increased, and unnecessary damage to the high-speed rail can be caused in the clamping process by designing a cross beam assembly, a jack assembly, a hook claw assembly, a clamping plate assembly and a long rod assembly.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-speed rail wheel rail force calibration reaction frame device which comprises a beam assembly, a jack assembly, a hook claw assembly, a clamping plate assembly and a long rod assembly, wherein the beam assembly is fixed on the jack assembly; the jack assembly is positioned at the bottom of the beam assembly and is in threaded rotary connection with the beam assembly; the hook claw assembly is positioned at the bottom of the beam assembly and is in hinged fit with the beam assembly; the clamping plate assembly is positioned on one side of the two symmetrical hook claw assemblies and is clamped between the two hook claw assemblies; the long rod assembly is positioned at one end of the jack assembly and is in threaded connection with the jack assembly.

The claw hooking component comprises a claw hooking plate; one side of the hook claw plate is hinged and matched with two symmetrical supporting and resisting rods; one end of the supporting and propping rod is hinged and matched with two symmetrical supporting rods; a protective soft board is fixed at the top end of the supporting rod; the two opposite side surfaces of the supporting and resisting rod are respectively matched with a hinged plate in a rotating way; an elastic spring is fixed between the supporting resisting rod and the hinged plate.

One side of the hook claw plate is rotatably matched with a supporting round rod; the circumferential side surface of the supporting round rod is provided with a moving groove; one end of the supporting round rod is matched with a rotating rod in a penetrating threaded manner; the peripheral side surface of the rotating rod is in threaded rotation fit with a hinge piece; the hinged plate is in rotating fit with the hinged piece; the hinge piece is in sliding fit with the moving groove.

Further, the beam assembly comprises a beam; a clamping cylinder is fixed at the bottom of the cross beam; handles are fixed on two opposite side surfaces of the cross beam.

Further, the jack assembly comprises a jack; both ends of the jack are fixed with threaded clamping columns; the thread clamping column is clamped with the clamping cylinder.

Furthermore, a bolt is rotatably matched with a thread on one side surface of the claw plate; the clamping plate assembly comprises a clamping plate; a clamping hole is formed in one side of the clamping plate; the clamping hole is clamped with the bolt.

Further, the long rod assembly comprises an extension rod; one end of the extension bar is provided with a threaded hole; the threaded hole is in threaded connection with the threaded clamping column.

Furthermore, two symmetrical clamping jaw plates are fixed on the peripheral side surface of the extension bar; one of the jaw plates is in threaded rotation fit with a threaded thin rod; a round soft plate is fixed at the bottom end of the threaded thin rod; the top of the other jaw plate is hinged and matched with two symmetrical inclined rods; an arc-shaped soft board is fixed at one end of the inclined rod; and a plurality of stabilizing springs are fixed between the inclined rod and the jaw plate.

The utility model has the following beneficial effects:

1. the utility model utilizes the hinge piece to move in the moving groove to drive the two supporting and supporting rods which are hinged and matched with one side of the hook claw plate to rotate, thereby realizing the clamping and fixing of single high-speed rail rails with different specifications and sizes during the vertical force loading test and increasing the accuracy of the tester for the vertical force loading test on the high-speed rail wheel rail.

2. According to the utility model, the threaded thin rod on one of the jaw plates is rotated, so that the circular soft plate is attached to the high-speed rail, the arc-shaped soft plate at one end of the two inclined rods, which is hinged and matched with the top of the other jaw plate, is attached to the high-speed rail under the action of the stabilizing spring, the clamping and fixing of the double-rail when the high-speed rail is subjected to transverse force loading in a test room are realized, and unnecessary damage to the high-speed rail in the clamping process is avoided.

3. Utility model through the simplified design among the device, reduced the dynamometry wheel method, calibration procedure's loaded down with trivial details step has increased a detachability portability of device.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of vertical force loading of a high-speed rail track force calibration reaction frame device.

Fig. 2 is a schematic structural diagram of a lateral force loading of a high-speed rail wheel-rail force calibration reaction frame device.

Fig. 3 is a schematic structural view of the beam assembly.

Fig. 4 is a schematic structural view of the jack assembly.

Fig. 5 is a schematic structural view of the hook claw assembly.

Fig. 6 is an enlarged schematic view of a point a in fig. 5.

Figure 7 is a schematic diagram of the structure of the card assembly.

Figure 8 is a schematic view of the construction of the elongate bar assembly.

Figure 9 is a rear view of the elongate bar assembly.

In the drawings, the components represented by the respective reference numerals are listed below:

1-beam assembly, 101-beam, 102-clamping cylinder, 2-jack assembly, 201-jack, 202-thread clamping column, 3-hook assembly, 301-hook plate, 302-supporting resisting rod, 303-supporting rod, 304-protective soft plate, 305-hinged plate, 306-elastic spring, 307-supporting round rod, 308-moving groove, 309-rotating rod, 310-hinged piece, 311-bolt, 4-clamping plate assembly, 401-clamping plate, 402-clamping hole, 5-long rod assembly, 501-extension rod, 502-threaded hole, 503-clamping jaw plate, 504-thread thin rod, 505-round soft plate, 506-oblique rod, 507-arc soft plate and 508-stabilizing spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the utility model is a high-speed rail wheel-rail force calibration reaction frame device, which comprises a beam assembly 1, a jack assembly 2, a hook claw assembly 3, a clamping plate assembly 4 and a long rod assembly 5; the jack component 2 is positioned at the bottom of the beam component 1 and is in threaded rotary connection with the beam component 1; the hook claw component 3 is positioned at the bottom of the beam component 1 and is in hinged fit with the beam component 1; the clamping plate component 4 is positioned at one side of the two symmetrical hook claw components 3 and is clamped between the two hook claw components; the long rod component 5 is positioned at one end of the jack component 2 and is in threaded connection with the jack component 2;

the claw hooking component 3 comprises a claw hooking plate 301; one side of the claw plate 301 is hinged and matched with two symmetrical supporting and supporting rods 302; one end of the supporting and propping rod 302 is hinged and matched with two symmetrical supporting rods 303; a protective soft board 304 is fixed at the top end of the support rod 303; hinged plates 305 are matched with the two opposite side surfaces of the supporting and resisting rod 302 in a rotating way; an elastic spring 306 is fixed between the support resisting rod 302 and the hinge plate 305;

one side of the claw plate 301 is rotatably matched with a supporting round rod 307; the circumferential side surface of the supporting round rod 307 is provided with a moving groove 308; one end of the supporting round rod 307 is in threaded fit with a rotating rod 309; the peripheral side surface of the rotating rod 309 is in threaded rotation fit with a hinge 310; hinge plate 305 is in rotational engagement with hinge 310; hinge 310 is in sliding engagement with travel slot 308; when a tester carries out a vertical force loading test on a high-speed rail, the single high-speed rail is clamped and fixed through two groups of symmetrical hook plates 301 which are hinged and matched with each other two by two, the two groups of symmetrical hook plates 301 which are hinged and matched with each other are fixed through the clamping plate assembly 4, the whole device is prevented from inclining, the rotating rod 309 in the supporting round rod 307 is rotated, so that the hinge piece 310 with the thread matched with the peripheral side surface moves in the moving groove 308, the hinge plate 305 with the rotary matched with the two opposite side surfaces of the supporting and resisting rod 302 is driven to rotate, the two symmetrical supporting and resisting rods 302 with one side hinged and matched with each other are driven to rotate, when the two supporting and resisting rods 302 rotate, the two symmetrical supporting rods 303 with one end hinged and matched with each other are relatively rotated, finally, the protective soft plate 304 fixed at the top ends of the supporting rods clamps and fixes the single high-speed rail, and realizes the clamping and fixing of the single high-speed rail with different specifications, the accuracy of the vertical force loading test of the high-speed rail wheel rail by the tester is improved.

Referring to fig. 1-3, the beam assembly 1 includes a beam 101; a clamping cylinder 102 is fixed at the bottom of the cross beam 101; handles are fixed on two opposite side surfaces of the cross beam 101; the two handles fixed on the two opposite side surfaces of the cross beam 101 facilitate the taking and carrying of testers.

Referring to fig. 1, 3 and 4, the jack assembly 2 includes a jack 201; both ends of the jack 201 are fixed with threaded clamping columns 202; the threaded clamping column 202 is clamped with the clamping cylinder 102; the threaded clamping column 202 and the clamping cylinder 102 are clamped in a threaded rotating mode, so that the jack assembly 2 is connected to the bottom of the cross beam assembly 1.

Referring to fig. 1-7, a bolt 311 is rotatably engaged with a thread on one side of the hook plate 301; the card board assembly 4 comprises a card board 401; a clamping hole 402 is formed in one side of the clamping plate 401; the clamping hole 402 is clamped with the bolt 311; when two sets of symmetrical hook plates 301 in two-two hinged fit complete clamping and fixing on a single high-speed rail, clamping holes 402 in the clamping plate assembly 4 are clamped with the peripheral side of the bolts 311, and the bolts 311 in one side of the hook plates 301 are rotated in a threaded rotation fit mode, so that the clamping plate assembly 4 is clamped on one side of two sets of symmetrical hook plates 301 in two-two hinged fit.

Referring to fig. 2-9, rod assembly 5 includes an extension rod 501; one end of the extension bar 501 is provided with a threaded hole 502; the threaded hole 502 is in threaded connection with the threaded clamping column 202; when the high-speed rail wheel-rail force transverse force loading test is completed, the threaded clamping column 202 on the jack component 2 is in threaded connection with the threaded hole 502 on the long rod component 5, and the high-speed rail wheel-rail force transverse force loading test is realized.

Referring to fig. 2-9, two symmetrical claw plates 503 are fixed on the peripheral side of the extension bar 501; one of the jaw plates 503 is screwed with a threaded thin rod 504; a round soft plate 505 is fixed at the bottom end of the threaded thin rod 504; the top of the other jaw plate 503 is hinged and matched with two symmetrical inclined rods 506; an arc-shaped soft plate 507 is fixed at one end of the diagonal rod 506; a plurality of stabilizing springs 508 are fixed between the diagonal rod 506 and the jaw plate 503; when the high-speed rail is loaded with a transverse force of a rail force, the threaded thin rod 504 on one of the jaw plates 503 is rotated, so that the round soft plate 505 at the bottom end of the threaded thin rod 504 is attached to the top of the high-speed rail, and when a tester rotates the threaded thin rod 504 on one of the jaw plates 503, the arc-shaped soft plate 507 at one end of the other jaw plate 503, which is in hinged fit with the two inclined rods 506, is attached to the high-speed rail under the action of the stabilizing spring 508, so that the clamping and fixing of the high-speed rail are realized, and unnecessary damage to the high-speed rail in the clamping process is avoided.

The working principle of the embodiment is as follows:

when a tester carries out a vertical force loading test on the high-speed rail wheel track, the single high-speed rail track is clamped and fixed by two groups of symmetrical hook claw plates 301 which are hinged and matched, and the clamping plate assembly 4 is used for fixing the two claw plates 301 which are matched in a hinged mode to prevent the whole device from inclining, the rotating rod 309 in the supporting round rod 307 is rotated, the hinged piece 310 moves in the moving groove 308 to drive the hinged plate 305 to rotate, and one side of the claw plate 301 is hinged with the two supporting and resisting rods 302 to rotate, when the two supporting and resisting rods 302 rotate, two supporting rods 303 with one ends hinged and matched rotate relatively, and finally the single high-speed rail is clamped and fixed by the protective soft board 304 fixed at the top ends of the supporting rods 303, so that the single high-speed rail with different specifications and sizes is clamped and fixed, and the accuracy of a tester in a vertical force loading test on the high-speed rail wheel rail is improved; when the high-speed rail is loaded with transverse force, the threaded clamping column 202 on the jack component 2 is in threaded connection with the threaded hole 502 on the long rod component 5, the threaded thin rod 504 on one of the clamping jaw plates 503 is rotated, so that the round soft plate 505 is attached to the high-speed rail, when a tester rotates the threaded thin rod 504, the arc-shaped soft plate 507 at one end of the two inclined rods 506 hinged and matched with the top of the other clamping jaw plate 503 is attached to the high-speed rail under the action force of the stabilizing spring 508, clamping and fixing of the double rails when a high-speed rail is subjected to a transverse force loading test chamber are realized, and unnecessary damage to the high-speed rail in the clamping process is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A high-speed rail wheel-rail force calibration reaction frame device comprises a beam assembly (1), a jack assembly (2), a claw hooking assembly (3), a clamping plate assembly (4) and a long rod assembly (5); the method is characterized in that: the jack component (2) is positioned at the bottom of the beam component (1) and is in threaded rotary connection with the beam component; the hook claw assembly (3) is positioned at the bottom of the beam assembly (1) and is hinged and matched with the beam assembly; the clamping plate component (4) is positioned at one side of the two symmetrical hook claw components (3) and is clamped between the two hook claw components; the long rod component (5) is positioned at one end of the jack component (2) and is in threaded connection with the jack component;

the claw hooking component (3) comprises a claw hooking plate (301); one side of the claw plate (301) is hinged and matched with two symmetrical supporting and resisting rods (302); one end of the supporting and propping rod (302) is hinged and matched with two symmetrical supporting rods (303); a protective soft board (304) is fixed at the top end of the support rod (303); the two opposite side surfaces of the supporting and resisting rod (302) are respectively matched with a hinged plate (305) in a rotating way; an elastic spring (306) is fixed between the support resisting rod (302) and the hinge plate (305);

one side of the claw plate (301) is rotatably matched with a supporting round rod (307); a moving groove (308) is formed in the peripheral side surface of the supporting round rod (307); one end of the supporting round rod (307) is matched with a rotating rod (309) in a penetrating and threaded manner; the peripheral side surface of the rotating rod (309) is in threaded rotation fit with a hinge piece (310); the hinge plate (305) is rotationally matched with the hinge piece (310); the hinge (310) is in sliding engagement with the travel slot (308).

2. A high-speed rail wheel-track force calibration reaction frame device according to claim 1, wherein the beam assembly (1) comprises a beam (101); a clamping cylinder (102) is fixed at the bottom of the cross beam (101); handles are fixed on two opposite side surfaces of the cross beam (101).

3. A high-speed rail wheel-track force calibration reaction frame device according to claim 2, wherein the jack assembly (2) comprises a jack (201); both ends of the jack (201) are fixed with threaded clamping columns (202); the threaded clamping column (202) is clamped with the clamping cylinder (102).

4. The high-speed rail wheel-track force calibration reaction frame device as claimed in claim 3, wherein a bolt (311) is in threaded rotation fit with one side surface of the claw plate (301); the card board assembly (4) comprises a card board (401); a clamping hole (402) is formed in one side of the clamping plate (401); the clamping hole (402) is clamped with the bolt (311).

5. The high-speed rail wheel-rail force calibration reaction frame device as claimed in claim 4, wherein the long rod assembly (5) comprises an extension rod (501); one end of the extension bar (501) is provided with a threaded hole (502); the threaded hole (502) is in threaded connection with the threaded clamping column (202).

6. The high-speed rail wheel-track force calibration reaction frame device as claimed in claim 5, wherein two symmetrical jaw plates (503) are fixed on the peripheral side surface of the extension bar (501); one of the jaw plates (503) is in threaded rotation fit with a threaded thin rod (504); a round soft plate (505) is fixed at the bottom end of the threaded thin rod (504); the top of the other jaw plate (503) is hinged and matched with two symmetrical inclined rods (506); an arc-shaped soft plate (507) is fixed at one end of the inclined rod (506); a plurality of stabilizing springs (508) are fixed between the inclined rod (506) and the jaw plate (503).

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