CN218076050U

CN218076050U - Sealed speed difference automatic controller with rescue device

Info

Publication number: CN218076050U
Application number: CN202222081253.9U
Authority: CN
Inventors: 江维富; 陈奇; 郑宇�
Original assignee: Wenzhou Saikai Technology Co ltd
Current assignee: Wenzhou Saikai Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-20
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a sealed speed difference automatic controller with a rescue device. The technical scheme adopted comprises the following steps: casing and setting are in speed difference automatic control mechanism, rescue device in the casing, speed difference automatic control mechanism includes center pin, rotatable installation center epaxial reel and respectively the closing cap in clockwork spring seal box and the locking pawl seal box at reel both ends, the both ends of center pin connect in between the casing, rescue device includes follower, action wheel, pivot, rocking handle, the follower sets up the reel corresponds the side of locking pawl seal box side, rotatable the installing of pivot the lower extreme of casing, the action wheel is fixed in the pivot, and with the follower interlock, the rocking handle connect in the tip of pivot.

Description

Sealed speed difference automatic controller with rescue device

Technical Field

The utility model relates to a speed difference automatic controller.

Background

The speed difference automatic controller is also called a speed difference falling protector and is used for preventing personnel from accidentally falling during high-altitude operation, so that the personnel safety can be quickly and effectively guaranteed even if the personnel accidentally fall, and the falling personnel can be quickly braked and locked within a limited distance to protect the life safety of the personnel. The traditional speed difference automatic controller structure is as follows: the invention discloses a Chinese patent with an authorization notice number of CN 107007952A and a name of a speed difference automatic controller with an integral rescue device. The method comprises the following steps: the speed difference automatic control mechanism comprises a central shaft and a rolling wheel rotatably arranged on the central shaft, wherein one end of the rolling wheel is provided with a pawl component, and the other end of the rolling wheel is provided with a clockwork spring component. There are disadvantages in that: pawl subassembly, clockwork spring subassembly, all expose outside the winding wheel, only the single casing closing cap that adopts, in addition, do not do water repellent between rescue device and the casing yet, its whole sealing performance is relatively poor, if use under the adverse circumstances such as rainy day, the easy water intake leads to rusting of core metalwork such as pawl subassembly, clockwork spring subassembly, rescue device, and then influences the safety in utilization of speed difference automatic controller.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a speed difference automatic controller of sealed area rescue device.

In order to solve the above problem, the utility model discloses a technical scheme include: the casing and set up speed difference automatic control mechanism, rescue device in the casing, speed difference automatic control mechanism includes the center pin, rotatable installation in epaxial reel of center and respectively the closing cap in clockwork spring seal box and the locking pawl seal box at reel both ends, the both ends of center pin connect in between the casing, its characterized in that: rescue device includes follower, action wheel, pivot, rocking handle, the follower sets up the reel corresponds the side of dog seal box side, the rotatable installation of pivot is in the lower extreme of casing, the action wheel is fixed in the pivot, and with the follower interlock, the rocking handle connect in the tip of pivot, shells inner wall one side integrated into one piece has first axle bed, the rotatable installation of pivot rear end in the first axle bed, just pivot rear end integrated into one piece has the holding ring, the pivot corresponds the outside of holding ring is equipped with preceding friction disc, ratchet, back friction disc, briquetting in proper order, the pivot corresponds the inboard of holding ring is equipped with first axle sleeve, first axle sleeve tight fit in on the first axle bed, casing one side be equipped with ratchet complex knock pin, clockwork spring seal box, dog seal box with the junction of reel all is equipped with the seal groove, the center pin with clockwork spring seal box, dog seal box's junction is equipped with the sealing washer is equipped with the seal groove or fills the sealed glue in the seal groove.

The speed difference automatic controller with the sealing type rescue device is characterized in that: the other side of the inner wall of the shell is integrally provided with a second shaft seat, the front end of the rotating shaft is rotatably installed in the second shaft seat through a second shaft sleeve, the second shaft sleeve is provided with an oil seal groove, and the shell is internally provided with a brake pin matched with the rotating shaft.

The speed difference automatic controller with the sealed rescue device is characterized in that: a rope rubber sleeve is arranged at a rope outlet of the shell, and an arc-shaped sealing surface sealed at the rope outlet is arranged at the top of the rope rubber sleeve.

The speed difference automatic controller with the sealed rescue device is characterized in that: and a wire outlet ring is arranged at the rope outlet of the shell.

The speed difference automatic controller with the sealing type rescue device is characterized in that: the winding wheel is provided with a sealing flange on the end face corresponding to the side of the sealing box of the brake claw, the sealing groove on the side is arranged on the sealing flange, the lower end of the sealing box of the brake claw is provided with a first mounting flange, and the first mounting flange is provided with a positioning groove matched with the sealing flange in a positioning mode.

The speed difference automatic controller with the sealing type rescue device is characterized in that: the centers of the spring sealing box and the brake pawl sealing box are provided with oil seal mounting grooves, and oil seals are arranged in the oil seal mounting grooves.

The speed difference automatic controller with the sealing type rescue device is characterized in that: and gaskets are arranged at two ends of the central shaft corresponding to the shell and between the spring sealing box and the brake pawl sealing box.

The utility model discloses a sealed area rescue device's speed difference automatic controller advantage as follows: with pawl subassembly, clockwork spring subassembly respectively through pawl seal box, clockwork spring seal box closing cap in the reel both ends, the rethread sets up seal groove and oil blanket, realizes the totally enclosed setting to pawl subassembly, clockwork spring subassembly, combines the seal structure design of rescue device and casing junction simultaneously to realize the overall seal of speed difference automatic controller, thereby can improve the waterproof, the dustproof performance of speed difference automatic controller greatly.

Drawings

The present invention will be further explained with reference to the drawings attached to the specification.

Fig. 1 is an exploded view of the differential speed automatic controller of the present invention;

fig. 2 is a sectional view of the differential speed automatic controller of the present invention;

FIG. 3 is an exploded view of the differential self-control mechanism of the present invention;

fig. 4 is a schematic structural diagram of the rescue device of the present invention;

fig. 5 is a schematic structural view of the housing of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2;

fig. 7 is a schematic structural view of the rubber rope sleeve of the present invention;

FIG. 8 is a schematic structural view of the sealing box for the brake pawl of the present invention;

FIG. 9 is a schematic structural view of the reel of the present invention;

fig. 10 is a cross-sectional view of the oil seal of the present invention.

Detailed Description

Referring to fig. 1 to 10, the speed difference automatic controller with a sealing type rescue device of the present invention comprises a housing 1, and a speed difference automatic control mechanism 2 and a rescue device 7 arranged in the housing 1, wherein the housing 1 is formed by the butt joint of left and right housings. The speed difference self-control mechanism 2 comprises a central shaft 3, a winding wheel 4 which is rotatably arranged on the central shaft 3, and a spring sealing box 5 and a brake pawl sealing box 6 which are respectively covered at two ends of the winding wheel 4. The circumference of the winding wheel 4 is provided with a deep groove for winding the rope. A main bearing 35 is arranged between the winding wheel 4 and the central shaft 3, and two ends of the central shaft 3 are connected between the shells 1. The rescue device 7 comprises a driven wheel 8, a driving wheel 9, a rotating shaft 10 and a rocking handle 11. The driven wheel 8 is arranged on the side surface of the reel 4 corresponding to the side surface of the brake claw sealing box 6, and shares a group of screws 36 with the brake claw sealing box 6 to be fixed on the side surface of the reel 4. The rotatable installation of pivot 10 the lower extreme of casing 1, drive wheel 9 is fixed on the pivot 10, just drive wheel 9 with driven wheel 8 interlock. The rocking handle 11 is connected to the end of the rotating shaft 10, and a first shaft seat 12 is integrally formed on one side of the inner wall of the shell 1. Rotatable the installing in 10 rear ends of pivot in the primary shaft seat 12, just 10 rear end integrated into one piece of pivot has holding ring 13, pivot 10 corresponds friction disc 14, ratchet 15, back friction disc 16 and briquetting 17 before the outside of holding ring 13 is equipped with in proper order, pivot 10 corresponds the inboard of holding ring 13 is equipped with primary shaft cover 18, primary shaft cover 18 tight fit in on the primary shaft seat 12, through the cooperation of briquetting 17, holding ring 13, primary shaft cover 18 realizes pivot 10 with location and sealing between the casing 1. One side of the shell 1 is provided with a top pin 19 matched with the ratchet wheel 15, and the top pin 19 is ideally elastic and is obliquely arranged, so that the ratchet wheel 15 can only rotate in one direction. The connection parts of the spring seal box 5, the brake pawl seal box 6 and the winding wheel 4 are respectively provided with a seal groove 20, and the connection parts of the central shaft 3 and the spring seal box 5 and the brake pawl seal box 6 are respectively provided with an oil seal 21. And a sealing ring 22 is arranged in the sealing groove 20 or is filled with sealing glue. The sealant is a conventional solid sealant. The sealing arrangement of the speed difference automatic control mechanism 2 is realized through the matching of the sealing groove 20, the oil seal 21 and the sealing ring 22.

Preferably, a second shaft seat 23 is integrally formed on the other side of the inner wall of the housing 1, the front end of the rotating shaft 10 is rotatably mounted in the second shaft seat 23 through a second shaft sleeve 24, an oil seal groove 25 is formed in the second shaft sleeve 24, and sealing oil is filled in the oil seal groove 25 to seal the front end of the rotating shaft 10. A brake pin 39 matched with the rotating shaft 10 is arranged in the shell 1, and the brake pin 39 is rotated to brake the rotating shaft 10 or increase friction force.

Preferably, a rope rubber sleeve 27 is arranged at the rope outlet 26 of the shell 1, and the rope wound on the winding wheel 4 passes through the rope rubber sleeve 27 to be connected with a safety hook 37. The top of the rope rubber sleeve 27 is provided with an arc-shaped sealing surface 28 sealed at the rope outlet 26 so as to realize sealing at the rope outlet 26. An outlet ring 29 is arranged at the rope outlet 26 of the shell 1, and the outlet ring 29 is made of wear-resistant materials so as to improve the wear resistance of the rope outlet 26.

Preferably, the reel 4 is provided with a sealing flange 30 on the end face corresponding to the side of the locking pawl sealing box 6, the sealing groove 20 on the side is provided on the sealing flange 30, the lower end of the locking pawl sealing box 6 is provided with a first mounting flange 32, and the first mounting flange 32 is provided with a positioning groove 33 matched with the sealing flange 30 in a positioning manner. After assembly, the sealing flange 30 is inserted into the positioning groove 33 to further improve the positioning and sealing performance between the reel 4 and the locking pawl sealing case 6.

Preferably, the center of spring seal box 5, dog seal box 6 is equipped with oil blanket mounting groove 31, oil blanket 21 is established in oil blanket mounting groove 31, through oil blanket mounting groove 31, so that the installation of oil blanket 21 further improves sealing performance simultaneously.

Preferably, gaskets 34 are arranged at two ends of the central shaft 3 corresponding to the positions between the shell 1 and the spring sealing box 5 and between the two ends of the central shaft 6 and the brake pawl sealing box 6, and the gaskets 34 are used for isolating the shell 1 from the spring sealing box 5 and the brake pawl sealing box 6. So as to prevent the abrasion caused by the friction between the shell 1 and the spring seal box 5 and the brake pawl seal box 6 and further prevent the reduction of the sealing performance.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a speed difference automatic controller of sealed area rescue device, includes casing (1) and sets up speed difference automatic control mechanism (2), rescue device (7) in casing (1), speed difference automatic control mechanism (2) include center pin (3), rotatable installation in reel (4) on center pin (3) and respectively the closing cap in clockwork spring seal box (5) and the dog seal box (6) at reel (4) both ends, the both ends of center pin (3) connect in between casing (1), its characterized in that: rescue device (7) are including follower (8), action wheel (9), pivot (10), rocking handle (11), follower (8) set up reel (4) correspond the side of pawl seal box (6) side, rotatable the installing of pivot (10) the lower extreme of casing (1), action wheel (9) are fixed pivot (10) are last, and with follower (8) interlock, rocking handle (11) connect in the tip of pivot (10), casing (1) inner wall one side integrated into one piece has first axle bed (12), rotatable the installing of pivot (10) rear end in first axle bed (12), just pivot (10) rear end integrated into one piece has holding ring (13), pivot (10) correspond the outside of holding ring (13) is equipped with preceding friction disc (14), ratchet (15), back ratchet (16), briquetting (17) in proper order, friction disc (10) correspond the inboard of holding ring (13) is equipped with first axle sleeve (18), first axle sleeve (18) tight fit in on first axle bed (12) be equipped with ratchet (15) top pin (5), ratchet (15) are sealed round pin (15) on one side of casing (5), ratchet (15) are sold with ratchet (15) cooperation Pawl seal box (6) with the junction of reel (4) all is equipped with seal groove (20), center pin (3) with the junction of clockwork spring seal box (5), pawl seal box (6) is equipped with oil blanket (21), set up sealing washer (22) or packing sealed glue in seal groove (20).

2. The sealed speed differential automatic controller with rescue apparatus as set forth in claim 1, characterized in that: casing (1) inner wall one side integrated into one piece in addition has second shaft seat (23), rotatable the installing of second shaft cover (24) is passed through to pivot (10) front end in second shaft seat (23), just be equipped with oil blanket groove (25) on second shaft cover (24), be equipped with in casing (1) with pivot (10) complex stop pin (39).

3. The sealed speed differential automatic controller with rescue apparatus as set forth in claim 1, characterized in that: a rope rubber sleeve (27) is arranged at the rope outlet (26) of the shell (1), and an arc-shaped sealing surface (28) sealed at the rope outlet (26) is arranged at the top of the rope rubber sleeve (27).

4. The sealed speed difference automatic controller with rescue device according to claim 3, characterized in that: an outlet ring (29) is arranged at the rope outlet (26) of the shell (1).

5. The sealed speed difference automatic controller with rescue device according to claim 1, characterized in that: reel (4) correspond be equipped with sealing flange (30) on the terminal surface of dog seal box (6) side, should incline seal groove (20) set up on sealing flange (30), the lower extreme of dog seal box (6) is equipped with first mounting flange (32), be equipped with on first mounting flange (32) with sealing flange (30) location fit's positioning groove (33).

6. The sealed speed differential automatic controller with rescue apparatus as set forth in claim 1, characterized in that: the center of the spring sealing box (5) and the center of the brake pawl sealing box (6) are provided with oil seal mounting grooves (31), and the oil seal (21) is arranged in the oil seal mounting grooves (31).

7. The sealed speed differential automatic controller with rescue apparatus as set forth in claim 1, characterized in that: and gaskets (34) are arranged between the two ends of the central shaft (3) corresponding to the shell (1) and the spring sealing box (5) and the brake pawl sealing box (6).