CN214770597U

CN214770597U - Fishplate clamp

Info

Publication number: CN214770597U
Application number: CN202120189648.3U
Authority: CN
Inventors: 孙登峰; 易际忠
Original assignee: Huadeao Railway Technology Suzhou Co ltd
Current assignee: Huadeao Railway Technology Suzhou Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-19
Anticipated expiration: 2031-01-23

Abstract

The application relates to the technical field of clamps, in particular to a fishplate clamp which comprises a pair of hydraulic vices used for clamping the fishplate in the width direction, wherein two ends of the fishplate in the length direction are respectively provided with a jacking mechanism and a pressing mechanism; the jacking mechanism comprises a vertical plate fixed on the workbench and a jacking bolt for jacking the end part of the fishplate, and the jacking bolt is connected to the vertical plate through threads; the pressing mechanism comprises a vertical rod fixed on the workbench and a pressing rod for applying pressing force to the fishplate, and the pressing rod is hinged to the vertical rod. This application is through hold-down mechanism and the position of the long direction of roof pressure mechanism restriction fishplate to have the effect of further fixed fishplate.

Description

Fishplate clamp

Technical Field

The application relates to the technical field of clamps, in particular to a fishplate clamp.

Background

The fishplate is commonly called a track clamping plate, which is a fastener for connecting a track and a rail, a steel rail is connected through the fishplate and other connecting parts so as to keep the joint range to bear bending moment and transverse force as same as the steel rail, and the working state and the safety performance of the fishplate directly influence the running state and the safety of a line.

The fishplate is cuboid, the fishplate is machined on a milling machine, the fishplate is lifted by a lifting appliance and fixed on a milling machine through a clamp, the clamp clamps the width direction of the fishplate to perform milling, and a milling cutter is used for milling from one end of the fishplate to the other end of the fishplate during milling.

In view of the above-mentioned related art, the inventor believes that when the fishplate is milled, the milling cutter mills along the length direction of the fishplate, the fishplate is subjected to a milling force along the length direction of the fishplate, and the position of the fishplate is shifted under the action of the milling force, so that the machined fishplate has an error.

SUMMERY OF THE UTILITY MODEL

In order to fix the fishplate in the determined position on the workbench, the application provides a fishplate clamp.

The application provides a fishplate anchor clamps adopts following technical scheme:

a fishplate clamp comprises a pair of hydraulic vices for clamping the fishplate in the width direction, wherein both ends of the fishplate in the length direction are respectively provided with a jacking mechanism and a pressing mechanism; the jacking mechanism comprises a vertical plate fixed on the workbench and a jacking bolt for jacking the end part of the fishplate, and the jacking bolt is connected to the vertical plate through threads; the pressing mechanism comprises a vertical rod fixed on the workbench and a pressing rod for applying pressing force to the fishplate, and the pressing rod is hinged to the vertical rod.

Through adopting above-mentioned technical scheme, when the fishplate placed a pair of hydraulic pressure vice through the hoist on, rotate and compress tightly the pole, compression bolt supports the one end of fishplate, makes the other end of fishplate support on the roof pressure bolt. Compress tightly the pole and pass last spring bolt and lower spring bolt, compress tightly the pole and support on last spring bolt and lower spring bolt to carry on spacingly to compressing tightly the pole, in fishplate course of working, compress tightly the pole and withstand the fishplate always, fix the fishplate.

Optionally, the jacking bolt is sleeved with a pair of stop nuts, and the pair of stop nuts are respectively arranged on two sides of the vertical plate.

Through adopting above-mentioned technical scheme, a pair of lock nut supports the riser from the both sides of riser respectively to fix the top pressure nut on the riser.

Optionally, a compression bolt is arranged on the compression rod, and the compression bolt is fixed on the side wall of the compression rod close to the fishplate.

Through adopting above-mentioned technical scheme, use clamp bolt to support the tip of fishplate, to the fishplate of different specifications, can adjust clamp bolt's position to compress tightly different fishplates.

Optionally, the end part of the compression bolt close to the fishplate is provided with a circular arc surface.

Through adopting above-mentioned technical scheme, establish the tip of housing bolt into the arc surface, for the plane, can be better offset with the terminal surface of fishplate.

Optionally, a limiting mechanism is further arranged on one side of the pressing mechanism, and the limiting mechanism comprises a supporting frame fixed on the workbench; the support frame is provided with an upper fixed block and a lower fixed block below the upper fixed block, an upper lock tongue sliding downwards is arranged in the upper fixed block, and a lower lock tongue sliding upwards is arranged in the lower fixed block.

By adopting the technical scheme, under the normal condition, the upper lock tongue is abutted against the lower lock tongue, and the opening and closing of the limiting mechanism are realized by the up-and-down sliding of the upper lock tongue and the lower lock tongue; when the fishplate is processed, the pressing rod is abutted between the upper lock tongue and the lower lock tongue, so that the limiting of the pressing rod is realized; after the fishplate is processed, the upper locking tongue and the lower locking tongue are opened, the pressing rod rotates, and the fishplate is loosened to be clamped.

Optionally, reset springs are fixed on the upper lock tongue and the lower lock tongue, and the upper lock tongue and the lower lock tongue are connected with the corresponding upper fixing block and the corresponding lower fixing block through the reset springs.

By adopting the technical scheme, the upper locking bolt and the lower locking bolt can automatically reset under the action of the reset spring, so that the upper locking bolt and the lower locking bolt are abutted.

Optionally, the upper lock tongue and the lower lock tongue are both provided with arc angles, and arc surfaces are arranged at positions on the pressing rod corresponding to the arc angles.

Through adopting above-mentioned technical scheme, when compressing tightly the pole and need passing through stop gear, the arcwall face supports the arc angle, is convenient for open spring bolt and lower spring bolt, makes to compress tightly the pole and passes through stop gear.

Optionally, a pull rod is further arranged on the pressing rod, and the pull rod is arranged along the axial direction of the pressing rod in a sliding manner; the pull rod is provided with a pair of jacking grooves, and the pair of jacking grooves are obliquely arranged along the axial direction of the pull rod.

Through adopting above-mentioned technical scheme, pulling the pull rod, upper lock tongue and lower lock tongue support corresponding jacking groove, and upper lock tongue and lower lock tongue slide along corresponding jacking groove upwards or downwards to open stop gear, make the compression bar gyration.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two ends of the fishplate in the length direction are respectively provided with the pressing mechanism and the jacking mechanism, and the pressing mechanism enables the fishplate to be abutted against the jacking mechanism, so that the positioning of the fishplate in the length direction is realized, and the fishplate is further fixed;

2. the locking dog is abutted against the lower locking dog through the arrangement of the limiting mechanism, the opening and closing of the limiting mechanism are realized through the up-and-down sliding of the upper locking dog and the lower locking dog, and when the fishplate is processed, the pressing rod is abutted between the upper locking dog and the lower locking dog, so that the limiting of the pressing rod is realized; after the fishplate is processed, the upper locking tongue and the lower locking tongue are opened, the pressing rod rotates, and the fishplate is loosened to be clamped.

Drawings

FIG. 1 is a general schematic view of a fishplate clamp of an embodiment of the application;

fig. 2 is an exploded view of the jacking mechanism;

FIG. 3 is a view showing the engagement of the pressing mechanism and the position-limiting mechanism;

fig. 4 is an exploded view of the spacing mechanism.

Description of reference numerals: 1. a hydraulic vice; 2. a jacking mechanism; 3. a hold-down mechanism; 4. a limiting mechanism; 5. a fishplate; 21. a vertical plate; 211. a threaded hole; 22. jacking and pressing the bolt; 23. a stop nut; 31. erecting a rod; 32. a hold down bar; 321. a hold-down bolt; 322. a circular arc surface; 33. an arc-shaped surface; 34. a chute; 35. a pull rod; 351. jacking a groove; 41. a support frame; 42. an upper fixed block; 43. an upper lock tongue; 431. a circular arc angle; 44. a lower fixed block; 45. a lower lock tongue; 46. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fishplate anchor clamps. Referring to fig. 1, the fishplate clamp comprises a pair of hydraulic vices 1, and the pair of hydraulic vices 1 clamps the fishplate 5 in the width direction. Two ends of the fishplate 5 in the length direction are respectively provided with a jacking mechanism 2 and a pressing mechanism 3, the jacking mechanism 2 jacks the fishplate 5, and the pressing mechanism 3 applies pressure to the fishplate 5 and presses the fishplate 5 on the jacking mechanism 2.

Referring to fig. 1 and 2, the pressing mechanism 2 includes a vertical plate 21 disposed on the milling machine table, and the vertical plate 21 is fixed on the work by bolts. The vertical plate 21 is provided with a jacking bolt 22, the side wall of the vertical plate 21 is provided with a threaded hole 211, and the jacking bolt 22 is connected to the vertical plate 21 through threads. The jacking bolt 22 is further sleeved with a pair of stop nuts 23, and the pair of stop nuts 23 are respectively arranged on two sides of the vertical plate 21. When the jacking bolt 22 is fixed, the jacking bolt 22 is arranged in the threaded hole 211 in a penetrating mode, the position of the jacking bolt 22 in the horizontal direction is adjusted according to different fishplates 5, and then the stop nuts 23 are respectively rotated from two sides of the vertical plate 21 to enable the stop nuts 23 to abut against the vertical plate 21, so that the jacking bolt 22 is fixed.

Referring to fig. 1 and 3, the pressing mechanism 3 includes a vertical rod 31 fixed on the workbench, the bottom of the vertical rod 31 is fixed on the workbench through a bolt, a pressing rod 32 is arranged on the vertical rod 31, the pressing rod 32 is hinged to the vertical rod 31, and the pressing rod 32 rotates in a horizontal plane. When the fishplate 5 is placed on the pair of hydraulic vices 1 through the lifting appliance, the pressing rod 32 is rotated, the pressing rod 32 abuts against the fishplate 5, the fishplate 5 abuts against the jacking bolt 22, and the fishplate 5 is placed at a correct position.

Referring to fig. 1 and 3, a pressing bolt 321 is threadedly connected to the pressing rod 32, the pressing bolt 321 is fixed to a side wall of the pressing rod 32 close to the fishplate 5, and an end of the pressing bolt 321 close to the fishplate 5 is provided with an arc surface 322 so as to abut against an end of the fishplate 5.

Referring to fig. 1 and 3, a limiting mechanism 4 is further disposed on one side of the pressing mechanism 3, and when the pressing rod 32 abuts against the fishplate 5, the limiting mechanism 4 limits the position of the pressing rod 32 to prevent the pressing rod 32 from rotating; after the fishplate 5 is processed, the limiting mechanism 4 is opened, so that the pressing rod 32 rotates.

Referring to fig. 3 and 4, specifically, the limiting mechanism 4 includes a support frame 41 disposed on the workbench, the support frame 41 is fixed on the workbench through a bolt, an upper fixing block 42 and a lower fixing block 44 are disposed on the support frame 41, the upper fixing block 42 and the lower fixing block 44 are both fixed on the support frame 41, the upper fixing block 42 is disposed right above the lower fixing block 44, and a gap is left between the upper fixing block 42 and the lower fixing block 44. The upper fixing block 42 is provided with an upper bolt 43, the upper bolt 43 is in a square column shape, and the upper bolt 43 penetrates through the upper fixing block 42 and slides up and down in the upper fixing block 42. The lower fixing block 44 is provided with a lower bolt 45, the lower bolt 45 is in a square column shape, and the lower bolt 45 penetrates through the lower fixing block 44 and slides up and down in the lower fixing block 44. The upper bolt 43 and the lower bolt 45 are both provided with a return spring 46, and the upper bolt 43 and the lower bolt 45 are both connected with the corresponding upper fixed block 42 and the lower fixed block 44 through the return spring 46.

In a normal state, the upper locking tongue 43 abuts against the lower locking tongue 45. When the pressing rod 32 passes between the upper latch tongue 43 and the lower latch tongue 45, the upper latch tongue 43 and the lower latch tongue 45 respectively move upwards or downwards under the action of the pressing rod 32, so that the pressing rod 32 passes through; after the pressing rod 32 passes through, the upper locking tongue 43 and the lower locking tongue 45 are pressed against each other again under the action of the return spring 46, and the pressing rod 32 is pressed against the side walls of the upper locking tongue 43 and the lower locking tongue 45, so that the limiting of the pressing rod 32 is completed.

Referring to fig. 4, the bottom end of the upper latch 43 and the top end of the lower latch 45 are both provided with arc angles 431, the portion of the pressing rod 32 corresponding to the upper latch 43 and the lower latch 45 is provided with an arc surface 33, and the cross section of the pressing rod 32 corresponding to the portion of the upper latch 43 and the lower latch 45 is D-shaped.

Referring to fig. 1 and 4, after the fishplate 5 is processed, in order to facilitate the rotation of the pressing rod 32, a pull rod 35 is further disposed on the pressing rod 32, and the pull rod 35 is slidably disposed on the pressing rod 32. Specifically, the pull rod 35 is arranged in the pressing rod 32 in a penetrating manner and slides along the axial direction of the pressing rod 32, the pressing rod 32 is provided with the sliding groove 34 along the axial direction of the pressing rod, the sliding groove 34 is arranged on the back of the arc-shaped surface 33, a part of the pull rod 35 extends out of the pressing rod 32 through the sliding groove 34, the pull rod 35 is further provided with a pair of jacking grooves 351, the pair of jacking grooves 351 are arranged along the vertical symmetry of the middle of the pull rod 35, and the pair of jacking grooves 351 are arranged along the axial direction of the pull rod 35 in an inclined manner. When the pressing rod 32 needs to be rotated, the pull rod 35 is pulled along the axial direction of the pressing rod 32, the upper lock tongue 43 and the lower lock tongue 45 both move upwards or downwards along the surface of the corresponding jacking groove 351, and when the pull rod moves to the end of the corresponding jacking groove 351, the upper lock tongue 43 and the lower lock tongue 45 are opened, and the pressing rod 32 rotates.

The implementation principle of the embodiment is as follows: when the fishplate 5 is placed on the pair of hydraulic vices 1 by the hanger, the pressing rod 32 is rotated, and the pressing bolt 321 abuts against one end of the fishplate 5, so that the other end of the fishplate 5 abuts against the top pressing bolt 22. The pressing rod 32 penetrates through the upper lock bolt 43 and the lower lock bolt 45, the pressing rod 32 abuts against the upper lock bolt 43 and the lower lock bolt 45, and therefore the pressing rod 32 is limited, the pressing rod 32 always abuts against the fishplate 5 in the processing process of the fishplate 5, and the fishplate 5 is fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fishplate bar anchor clamps which characterized in that: the device comprises a pair of hydraulic vices (1) for clamping the end faces of the fishplate (5) in the width direction, wherein both ends of the fishplate (5) in the length direction are respectively provided with a jacking mechanism (2) and a pressing mechanism (3); the jacking mechanism (2) comprises a vertical plate (21) fixed on the workbench and a jacking bolt (22) used for jacking the end part of the fishplate (5), and the jacking bolt (22) is connected to the vertical plate (21) in a threaded manner; the pressing mechanism (3) comprises a vertical rod (31) fixed on the workbench and a pressing rod (32) used for applying pressing force to the fishplate (5), and the pressing rod (32) is hinged to the vertical rod (31).

2. The fishplate clamp of claim 1, wherein: the jacking bolt (22) is sleeved with a pair of stop nuts (23), and the stop nuts (23) are respectively arranged on two sides of the vertical plate (21).

3. The fishplate clamp of claim 1, wherein: the fish plate pressing device is characterized in that a pressing bolt (321) is arranged on the pressing rod (32), and the pressing bolt (321) is fixed on the side wall, close to the fish plate (5), of the pressing rod (32).

4. The fishplate clamp of claim 3, wherein: the end part of the pressing bolt (321) close to the fishplate (5) is provided with an arc surface (322).

5. The fishplate clamp of claim 1, wherein: a limiting mechanism (4) is further arranged on one side of the pressing mechanism (3), and the limiting mechanism (4) comprises a supporting frame (41) fixed on the workbench; the support frame (41) is provided with an upper fixing block (42) and a lower fixing block (44) located below the upper fixing block (42), an upper lock tongue (43) sliding downwards is arranged in the upper fixing block (42), and a lower lock tongue (45) sliding upwards is arranged in the lower fixing block (44).

6. The fishplate clamp of claim 5 wherein: and the upper bolt (43) and the lower bolt (45) are both fixed with a return spring (46), and the upper bolt (43) and the lower bolt (45) are both connected with the corresponding upper fixed block (42) and the lower fixed block (44) through the return springs (46).

7. The fishplate holder of claim 6, wherein: the upper lock bolt (43) and the lower lock bolt (45) are both provided with arc angles (431), and the position, corresponding to the arc angles (431), of the pressing rod (32) is provided with an arc surface (33).

8. The fishplate clamp of claim 7 wherein: the pressing rod (32) is also provided with a pull rod (35), and the pull rod (35) is arranged along the axial direction of the pressing rod (32) in a sliding manner; the pull rod (35) is provided with a pair of jacking grooves (351), and the pair of jacking grooves (351) are obliquely arranged along the axial direction of the pull rod (35).