CN216737229U

CN216737229U - Sliding steering structure and crane track pressing block using same

Info

Publication number: CN216737229U
Application number: CN202123344696.4U
Authority: CN
Inventors: 倪发
Original assignee: Nanjing Liba Crane Machine Co ltd
Current assignee: Nanjing Liba Crane Machine Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-14
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a slip turns to structure, including the eccentric shaft, be equipped with T type groove on the eccentric shaft, the latch hook structure is arranged in T type inslot, the lock cap is articulated through a through-hole cooperation hinge pin and the installation piece of welded on the briquetting fixed block, the hasp pass through-hole two with the lock cap is articulated, the one end that through-hole one was kept away from to the lock cap has the piece of hook of returning through mounting screw, and locking structrual installation is on the briquetting, the piece of hook of returning is installed on locking mechanical system. When the track shakes due to external reasons, the eccentric shaft can be caused to rotate or move in the pressing block in a string mode, the cam on the eccentric shaft is caused to be separated from the position, the pressing block cannot be tightly pressed on the track, and the sliding steering structure is matched with the rubber pad to lock the eccentric shaft in a double mode, so that the eccentric shaft is prevented from being separated from the position.

Description

Sliding steering structure and crane track pressing block using same

Technical Field

The utility model belongs to track briquetting field, concretely relates to slip turns to structure and uses hoist track briquetting of this structure.

Background

Chinese patent publication No. CN203295050U discloses a detachable crane rail pressing plate device, which comprises a pressing plate, a fixed pressing plate block, an eccentric shaft and a nut, wherein the pressing plate is provided with a U-shaped groove I, the bottom surface of one end of the pressing plate is wedge-shaped, the middle part of the fixed pressing plate block is provided with a U-shaped groove II, a through groove is arranged perpendicular to the U-shaped groove II, the middle part of the eccentric shaft is provided with threads, and the lower part of the eccentric shaft is provided with a cam; the pressing plate is arranged in the through groove of the fixed pressing plate block, the eccentric shaft is arranged in the aligned U-shaped groove I and the U-shaped groove II, the cam is flush with the pressing plate and forms a cam mechanism with the pressing plate, the wedge-shaped end of the pressing plate extending out of the fixed pressing plate block is pressed on the rail and is fixed with the screw thread by using a nut; when the eccentric shaft rotates clockwise, the cam tends to compress the track, and the thread of the eccentric shaft is a right thread. The utility model discloses be convenient for orbital maintenance and change on the roof beam, have simple structure, the advanced of technique, preparation simple process, design humanized advantage, solved the inconvenient problem of track dismantlement on the hoist roof beam.

However, when the track vibrates due to external reasons, the eccentric shaft can rotate or move in the pressing block, the cam on the eccentric shaft is separated from the position, and the pressing block cannot be tightly pressed on the track.

SUMMERY OF THE UTILITY MODEL

In view of there being above-mentioned problem among the prior art, the utility model aims at providing a seal solenoid valve in three-position four-way single electrical control for liquid has both reduced the response time of solenoid valve, has reduced the activity duration of pneumatic cylinder simultaneously, has promoted hydraulic system's efficiency.

The utility model provides a following technical scheme:

a sliding steering structure comprises an eccentric shaft, wherein a T-shaped groove is formed in the eccentric shaft, a lock hook structure is arranged in the T-shaped groove, a lock cap is hinged to an installation block installed on a press block fixing block through a first through hole matched with a hinge pin, a lock catch is hinged to the lock cap through a second through hole, a hook returning piece is installed at one end, away from the first through hole, of the lock cap, a locking mechanism is installed on the press block, and the hook returning piece is installed on the locking mechanism.

Specifically, locking mechanism is including installing the corner spring card on the briquetting and installing the horizontal pole on the both sides corner spring of corner spring card, the horizontal pole is arranged in and is got back the hook piece.

Specifically, latch hook structure one end is T type part, T type part is arranged in T type inslot, latch hook structure other end is the latch hook, the hasp is arranged in on the latch hook.

The utility model provides a hoist track briquetting, includes the briquetting fixed block, passes the briquetting of briquetting fixed block, all be equipped with U type groove on the corresponding position of briquetting fixed block and briquetting, the U type inslot is arranged in to the slip steering structure, be equipped with the rubber pad on the U type groove of briquetting, evenly be equipped with a plurality of archs on the inner wall of rubber pad and slip steering structure contact.

Specifically, the protrusions are in a dot shape or a triangular shape.

The utility model has the advantages that:

when the track vibrates due to external reasons, the eccentric shaft can rotate or move in the pressing block, so that the cam on the eccentric shaft is separated from the position, and the pressing block cannot be tightly pressed on the track; and the sliding steering structure in the design can be matched with the rubber pad to lock the eccentric shaft doubly, so that the eccentric shaft is prevented from being separated from the position, and the requirement of conveniently disassembling the track is met.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and 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 and not to limit the invention. In the drawings:

FIG. 1 is a top view of a crane track block of the present invention;

FIG. 2 is a three-dimensional view of the sliding steering structure of the present invention;

fig. 3 is a three-dimensional view of the latch structure of the present invention.

Detailed Description

As shown in fig. 1-2, the utility model provides a slip turns to structure, including eccentric shaft 301, be equipped with T type groove 306 on the eccentric shaft 301, latch hook structure 302 is arranged in T type groove 306, lock cap 304 is articulated through a through-hole 307 cooperation hinge pin and briquetting fixed block 2 on the welded installation piece, hasp 303 through-hole two 308 with lock cap 304 is articulated, lock cap 304 keeps away from the one end of a through-hole 307 and has a hook piece 309 through the screw installation, locking mechanical system 305 installs on briquetting 1, hook piece 309 installs on locking mechanical system 305.

Referring to fig. 2, the locking mechanism 305 includes a corner spring clip mounted on the pressing block 1 by a screw and a cross bar 3052 welded on the corner spring 3051 at both sides of the corner spring clip, and the cross bar 3052 is placed on the hooking member 309.

Referring to fig. 3, one end of the latch hook structure 302 is a T-shaped portion 3021, the T-shaped portion 3021 is disposed in the T-shaped groove 306, the other end of the latch hook structure 302 is a latch hook 3022, and the latch 303 is disposed on the latch hook 3022.

Please focus on referring to fig. 1, based on the above structure, the utility model discloses still provide the crane track briquetting that uses this structure, including briquetting fixed block 2, pass briquetting 1 of briquetting fixed block 2, all be equipped with U type groove 6 on briquetting fixed block 2 and the corresponding position of briquetting 1, the structure 3 that turns to that slides is arranged in U type groove 6, be equipped with rubber pad 4 on the U type groove 6 of briquetting 1, evenly be equipped with a plurality of archs 5 on the inner wall that rubber pad 4 and the structure 3 that turns to that slides contact, arch 5 is punctiform or three horn shapes.

The sliding steering structure 3 slides into one end of the U-shaped groove 6, and then the pressing block 1 is tightly pressed on the track under the cam action of the eccentric shaft 301 by rotating the eccentric shaft 301.

When the track shakes due to external reasons, the eccentric shaft 301 rotates or moves in the pressing block 1, the cam on the eccentric shaft 301 is separated from the position, the pressing block 1 cannot be tightly pressed on the track, the rubber pad 4 increases the holding force between the eccentric shaft 301 and the pressing block 1, the friction force between the eccentric shaft 301 and the pressing block 1 is further increased, the eccentric shaft 301 is effectively prevented from sliding relative to the pressing block 1, and the safety of the track is improved.

Meanwhile, the sliding steering structure 3 is used for locking the eccentric shaft 301 for the second time, after the eccentric shaft 301 rotates to a proper position, the lock catch 303 at one end of the lock cap 304 is placed on the lock hook 3022, and the lock cap 304 is pressed down at the same time, so that the cross bar 3052 at the other end of the lock cap 304 is placed on the backshake piece 309, and the sliding steering structure 3 is matched with the rubber pad 4 to lock the eccentric shaft 301 for the second time.

The utility model discloses a theory of operation does:

when a track is installed, firstly, the pressing block fixing block 2 is positioned and welded on two sides of the track to bear lateral force of the track, then the pressing block 1 and the sliding steering structure 3 are sequentially arranged in the pressing block fixing block 2, the pressing block 1 is pressed on the track by rotating the eccentric shaft 301, then the eccentric shaft 301 and the pressing block fixing block 2 are fastened by nuts and gaskets, meanwhile, the lock catch 303 is arranged on the lock hook 3022, the lock cap 304 is pressed down, the cross rod 3052 at the other end of the lock cap 304 is arranged on the hook returning part 309, and the sliding steering structure 3 is matched with the rubber pad 4 to doubly lock the eccentric shaft 301.

When the track needs to be disassembled for replacement or maintenance, the cross rod 3052 is firstly separated from the hook piece 309, the lock cap 304 is lifted at the same time, the lock catch 303 is separated from the lock hook 3022, then the nut is loosened, the eccentric shaft 301 is rotated to separate the pressing block 1 from the track, then the pressing block 1 and the eccentric shaft 301 are easily taken out, and finally the track is taken down.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sliding steering structure includes an eccentric shaft (301),

the eccentric shaft (301) is provided with a T-shaped groove (306), a lock hook structure (302) is arranged in the T-shaped groove (306), a lock cap (304) is hinged with a mounting block mounted on a pressing block fixing block (2) through a first through hole (307) in a matching manner with a hinge pin, a lock catch (303) is hinged with the lock cap (304) through a second through hole (308), a hook returning piece (309) is mounted at one end, far away from the first through hole (307), of the lock cap (304), a locking mechanism (305) is mounted on a pressing block (1), and the hook returning piece (309) is mounted on the locking mechanism (305).

2. A skid steer construction according to claim 1, wherein said locking mechanism (305) comprises a corner spring catch mounted on the press block (1) and a cross bar (3052) mounted on the corner spring (3051) at both sides of the corner spring catch, said cross bar (3052) being placed on the backswing member (309).

3. The sliding steering structure as claimed in claim 1, wherein the latch hook structure (302) has a T-shaped portion (3021) at one end, the T-shaped portion (3021) is disposed in the T-shaped groove (306), the latch hook structure (302) has a latch hook (3022) at the other end, and the latch (303) is disposed on the latch hook (3022).

4. The utility model provides a hoist track briquetting, includes briquetting fixed block (2), passes briquetting (1) of briquetting fixed block (2), all be equipped with U type groove (6) on briquetting fixed block (2) and briquetting (1) corresponding position, slide and turn to structure (3) and arrange U type groove (6) in, its characterized in that, slide and turn to structure (3) for any one of claim 1 to 3 slide and turn to the structure, be equipped with rubber pad (4) on U type groove (6) of briquetting (1), evenly be equipped with a plurality of archs (5) on rubber pad (4) and the inner wall that slides and turn to structure (3) contact.

5. A crane rail compact according to claim 4, characterised in that the protrusions (5) are point-like or triangular.