CN204251262U - Torque limiting and ratchet brake assembly structure - Google Patents

Abstract

A torsion limit and ratchet brake assembly structure is arranged in a machine tool for hanging load to move, the machine tool is provided with a shell, the interior of the machine tool is divided into three installation axes according to the action property of an installed component, wherein the first installation axis is an axis for providing main power, the second installation axis is an axis for transmitting power, and the third installation axis is an axis for receiving power and driving the load to move; the second installation axis is composed of a shaft lever, a connecting disc, a brake disc, a torsion shaft disc body, a driven wheel, a brake pad, a disc-shaped elastic element, a plum blossom-shaped gasket, a positioning nut, a fixing sheet and a clamping block, and can simultaneously generate the torsion limiting effect and the ratchet wheel brake effect so as to play the best effect.

Description

Torsion restriction constructs with Ji Lun Brake car assembly

[technical field]

The utility model take turns Brake car assembly about the restriction of a kind of torsion with sour jujube construct, refers to that a kind of torsion used in load transmission process that is arranged at limits and sour jujube is taken turns Brake car assembly and constructs especially.

[background technology]

A lot of facility are that design is used for using as hanging load or dilatory load, such as the most common: " the lift heavy winch " of high building Under-Slung Loads vertical lift; Or be installed on and jeep, cross-country car be used for pull its car (he rescues) or dangerous situation moves " power winch " of escape danger (saving oneself) etc., be namely all the facility that design is used for hanging load or dilatory load and uses.Its start principle is propulsion source (such as power motor) the output transmission power be forward or backwards located at by facility, after speed reduction gearing effect, live load (weight, its car or its thing etc.) by a vertical heavy gib head hooking, move to make this load.

Because in load transmission process, the situation occasionally having load overweight occurs, therefore must be provided with one " torsion limiting mechanism " in the transmission process of power; When there is the overweight situation of load, this torsion limiting mechanism namely must slipping and no longer export transmission power, to protect the transmission device (such as motor and speed reduction gearing etc.) in facility, avoids overload and causes fault damage.Except being provided with a torsion limiting mechanism in load transmission process; damage outside transmission device to avoid overload; more can be provided with one " Wu Dong Li Brake mechanism of car "; with Gai Brake mechanism of car of (such as by stop key or when having a power failure suddenly) You in time there is unpowered situation, transmission process Shun Jian Brake is lived, equally in order to protect the transmission device in facility to avoid damaging.

But " the torsion limiting mechanism " that adopt in known load transmission process and " Wu Dong Li Brake mechanism of car " is often be designed to two kinds of devices obviously distinguished, the different parts be installed on respectively again in facility transmission process uses, this kind of phenomenon is except causing the waste of dual cost, more often because the compatibility of two kinds of mechanisms is not good, that causes in use is not smooth, and the long-time situation using probably renvoi assembly to damage produces.

[utility model content]

Namely main purpose of the present utility model providing a kind of assembly that can produce torsion restriction to be assembled in same axle online with the assembly compatibility that can produce the effect of Ji Lun Brake car, constructs to play the assembly possessing torsion restriction and Ji Lun Brake car double action effect simultaneously.

For reaching above-mentioned purpose, the utility model designs the restriction of a kind of torsion and constructs with Ji Lun Brake car assembly, be installed in the facility for hanging load movement, these facility have a body skin, the inner interaction property according to installed assembly, divide into three installing axis, wherein, the first installing axis is an axis providing active force, and the second installing axis is the axis of a transfer motion power, 3rd installing axis is one accept power and axis with dynamic load movement, is characterised in that;

This second installing axis comprises an axostylus axostyle, and back segment forms one section of axle tooth 201, and front and back are respectively installed in into this body skin inner by a bearings; This axostylus axostyle is passed the rear affixed interlock dish of a perforation on this body skin side by the position outside this section of axle tooth, the axis hole wall of this interlock dish forms forward the externally threaded cover T-Ring of a tool, this axostylus axostyle body is outwards sequentially shaped to boundary's groove, a circle hack lever portion, a square pallet, a draw-in groove and a foot piece portion;

One brake disc, central authorities are the axis hole of a tool negative thread, and periphery is provided with circle ratchet in the same way, and two sides are respectively sticked the Lining of a braking, during the installing of this brake disc, by the external thread bolt connection on the negative thread of its axis hole and the cover T-Ring of this interlock dish;

One torsion shaft disk body, there is an actuator disc and a torsion shaft, what the face of this actuator disc has most continuous is arranged in ring-type holds groove, this torsion shaft is positioned on front side of this actuator disc, common tool one axis hole of central authorities, this torsion shaft circumferential surface is provided with leading edge on a positioning groove longitudinally offered and circumferential surface and is provided with one section of outside thread, leading flank has the knock hole that majority is arranged in ring-type, during the installing of this torsion shaft disk body, be connected in the round hack lever portion of this axostylus axostyle by its shaft hole sleeve, these hold groove and insert for most ball, these knock holees are then planted for one group of pilot pin selectivity symmetry,

One follower, central tool one axis hole, periphery is provided with passive tooth, and during installing, this follower is connected to this torsion shaft circumferentially by its shaft hole sleeve, and pastes tactile with this actuator disc, and the passive tooth of this follower accepts the power transmission of this first installing axis simultaneously; What the face that this follower faces this actuator disc has majority is arranged in ring-type holds groove, and these hold groove and the majority of this actuator disc, and to hold groove corresponding one to one, and each holds groove and distinguishes and have deep trouth, skew wall and shallow slot, and the degree of depth of deep trouth is just held into for a ball; And the groove that holds of the degree of depth of shallow slot and this actuator disc is added and is just held into for a ball equally;

One Lining, central tool one axis hole and there is a radial direction stretch into spacer in this axis hole, during assembling, this Lining is connected to this torsion shaft circumferentially by its shaft hole sleeve, and touch to paste with this follower, this spacer supports the positioning groove inner position into this torsion shaft simultaneously;

One dish-type elastic component, central tool one axis hole, during assembling, this dish-type elastic component is connected to this torsion shaft circumferentially by its shaft hole sleeve, touches to paste with this Lining;

One plum blossom pad, central authorities' tool one axis hole and there is a radial direction stretch into spacer in this axis hole, and on periphery, offer most location assembly tab, during assembling, this plum blossom pad is connected to this torsion shaft circumferentially by its shaft hole sleeve, touch to paste with this dish-type elastic component, this spacer supports the positioning groove inner position into this torsion shaft simultaneously;

One positioning screw cap, central authorities' tool one axis hole and be provided with negative thread in hole wall, and in outer peripheral edges, offer some positioning grooves, the external thread bolt connection of this positioning screw cap set by its negative thread and this torsion shaft circumferential surface leading edge during assembling, to be socketed on this torsion shaft circumferentially, and namely pressure this plum blossom pad tactile bears against toward this actuator disc direction, make this plum blossom pad, dish-type elastic component, Lining, what suitable tightness reached each other by follower and each assembly of actuator disc amplexiforms state, then can at least certain hyte load bending be supported in adjacent corresponding positioning groove, system makes this positioning screw cap exit,

One fixed plate, central authorities' tool one square assembly hole, projection one group of registration mast in outer peripheral edges, during assembling this fixed plate by its square assembly hole to should the square pallet cover of axostylus axostyle connect, and namely prop up these registration masts by the aforementioned pilot pin be inserted in the knock hole of this torsion shaft, then snap in the draw-in groove of this axostylus axostyle by a C jacket ring, be finally connected in the foot piece portion of this axostylus axostyle with a bearing carrier ring, then be installed in into this body skin inner; And

Above the perforation that this second installing axis passes this body skin, at least side offers a coupling hole, and the affixed bar for an axostylus axostyle one end is planted affixed, and the another end of this axostylus axostyle is an assembling bar, is provided with a draw-in groove close to end; There are a torsion elastic component and a clipping block to be sequentially socketed on this assembling bar, then snapped in the draw-in groove on this assembling bar by a C jacket ring, cause this torsion elastic component and this clipping block location; This torsion elastic component is a termination and this axostylus axostyle clamping wherein, and another termination snaps in the hole clipping of this clipping block lateral margin, makes this clipping block have the situation of single-way moving; After having assembled, the front end of this clipping block supports in the acute angle groove of ratchet root in corresponding position on this brake disc, and system makes this brake disc cannot rotate to clipping block direction.

During above-mentioned torsion restriction constructs with Ji Lun Brake car assembly, this body skin inside is provided with an attached lamp overload protective device.

[accompanying drawing explanation]

Fig. 1 is the stereoscopic figure of the utility model embodiment.

Fig. 2 is the three-dimensional exploded view of the utility model embodiment.

Fig. 3 is the three-dimensional exploded view of all component on the utility model embodiment axis a.

Fig. 4 is the three-dimensional exploded view of all component on the utility model embodiment axis b.

Fig. 5 is the three-dimensional exploded view of all component on the utility model embodiment axis c.

Fig. 6 is the assembled sectional view of the utility model embodiment.

Fig. 7 is the lateral plan of torsion shaft disk body in the utility model embodiment.

Fig. 8 is the front part cutaway view of torsion shaft disk body in the utility model embodiment.

Fig. 9 is the lateral plan of follower in the utility model embodiment.

Figure 10 is the front part cutaway view of follower in the utility model embodiment.

Figure 11 is the utility model embodiment is held the deep trouth drive ball of groove front schematic view by follower.

Figure 12 is the utility model embodiment is held the deep trouth drive ball of groove effect schematic diagram by follower.

Figure 13 is that the utility model embodiment holds by follower and actuator disc the front schematic view that groove drives ball.

Figure 14 is that the utility model embodiment holds by follower and actuator disc the effect schematic diagram that groove drives ball.

Number in the figure is described as follows:

Axis a propulsion source 11 axle center 111 installed by power winch 1

Power axostylus axostyle 12 sections of axle tooth 121 body skiies 101 bore a hole 1011

Front cover body 102 rear cover body 103 hanger 104 bearing 105

Bearing 106 inner cap body 107 is bored a hole 108 coupling holes 1081

Perforation 109 installing axis b axostylus axostyle 20 sections of axle teeth 201

Bearing 2011 bearing 2012 interlock dish 21 overlaps T-Ring 211

Boundary's groove 202 circle hack lever portion 203 square pallet 204 draw-in groove 205

Foot piece portion 206 brake disc 22 axis hole 221 ratchet 222

Lining 223 torsion shaft disk body 23 actuator disc 231 holds groove 2311

Torsion shaft 232 axis hole 2321 positioning groove 233 outside thread 234

Knock hole 235 pilot pin 236 ball 237 follower 24

Axis hole 241 passive tooth 242 holds groove 243 deep trouth 2431

Skew wall 2432 shallow slot 2433 Lining 25 axis hole 251

Spacer 252 dish-type elastic component 26 axis hole 261 plum blossom pad 27

Assembly tab 273 positioning screw cap 28 located by axis hole 271 spacer 272

Axis hole 281 negative thread 282 positioning groove 283 fixed plate 29

Square assembly hole 291 registration mast 292 C jacket ring 293 bearing 294

Installing axis c axostylus axostyle 30 refines circle draw-in groove 31 draw-in groove 32

Bearing 33 bearing 34 oil sealing 35 refines bar 40

Bar 53 draw-in groove 54 assembled by the affixed bar 52 of axostylus axostyle 51

Torsion elastic component 55 termination 551 clipping block 56 hole clipping 561

The attached lamp overload protective device 60 of C jacket ring 57

[detailed description of the invention]

About the utility model for reaching above-mentioned purpose, the technological means adopted and can reach the effect caused, hereby lifts following better possible embodiments and coordinates accompanying drawing to explain orally explanation in detail, can understand completely.

A kind of torsion restriction used in load transmission process of the utility model constructs with Ji Lun Brake car assembly, historical facts or anecdotes border is apply in lift heavy winch when implementing, or apply in power winch, apply to any design come as hanging load or dilatory load use facility in all can.And be described for convenience, be hereby embodiment of the present utility model for a kind of power winch 1 that overhead traveling crane uses that is placed in.Refer to shown in Fig. 1, this power winch 1 has a body skin 101 in appearance, its forward and backward respectively has a forward and backward lid 102,103 to cover, and end face installs a hanger 104, power winch 1 entirety to be placed in eminence (such as factory's overhead traveling crane is common).Then, as shown in Figure 2, when being unloaded by these forward and backward lids 102,103, three installing axis a, b, c, according to the interaction property of installed assembly, are obviously divided in this body skin 101 inside, shown in Fig. 3 and 6, wherein, this installing axis a provides the axis of active force for one, side (rear side) propulsion source 11 (such as: power motor) of planting is fit in this body skin 101, its axle center 111 connects establishes a power axostylus axostyle 12, it has one section of axle tooth 121 on the surface, this power axostylus axostyle 12 can pass 1011 (as seen in figs) of perforation on this body skin 101 side (front side), and the front and back end of this power axostylus axostyle 12 is respectively by a bearing 105, 106 support, wherein, the bearing 106 of rear end is installed in inside this perforation 1011, the bearing 105 of front end is then installed in inner cap body 107 inside, this inner cap body 107 uses (as seen in figs) in order to the significant points in this body skin 101 front (front side) of cover, therefore by the support of these bearings 105,106, this power axostylus axostyle 12 is arranged at preposition on this body skin 101, and when this propulsion source 11 rotates (can be forward or reverse), namely integral power axostylus axostyle 12 follows synchronous axial system (being all forward or reverse).

Then, shown in Fig. 4 and 6, this installing axis b is an axis that can produce torsion restriction and Ji Lun Brake car double action effect assembly, it has an axostylus axostyle 20, back segment forms one section of axle tooth 201, and front and back are respectively supported by a bearing 2011,2012 and are installed in into the inner preposition of this body skin 101; This axostylus axostyle 20 is passed an affixed interlock dish 21 after the perforation 108 on this body skin 101 side (front side) (i.e. this interlock dish 21 with this axostylus axostyle 20 affixed and synchronous axial system) by the position outside this section of axle tooth 201, the axis hole wall outside (forward) of this interlock dish 21 forms the reverse externally threaded cover T-Ring 211 of a tool, then this axostylus axostyle 20 body is outwards sequentially shaped to boundary's groove 202, circle hack lever portion 203, square pallet 204, draw-in groove 205 and a foot piece portion 206; There is a brake disc 22, central authorities are the axis hole 221 of the reverse negative thread of a tool, and periphery is provided with circle ratchet 222, two side in the same way and is respectively sticked the Lining 223 of a braking, when this brake disc 22 is installed, by the external thread bolt connection on the negative thread of its axis hole 221 and the cover T-Ring 211 of this interlock dish 21;

There is a torsion shaft disk body 23, there is actuator disc 231 and a torsion shaft 232, shown in Fig. 7-8, what the face of this actuator disc 231 has most continuous is arranged in ring-type holds groove 2311, this torsion shaft 232 is positioned at this actuator disc 231 side (front side), common tool one axis hole 2321 (diameter is greater than this circle hack lever portion 203 slightly) of central authorities, this torsion shaft 232 circumferential surface is provided with leading edge on a positioning groove 233 longitudinally offered and circumferential surface and is provided with one section of outside thread 234, (front side) face has the knock hole 235 that majority is arranged in ring-type in outside, when this torsion shaft disk body 23 is installed, be socketed in the round hack lever portion 203 of this axostylus axostyle 20 by its axis hole 2321, these hold groove 2311 can for most ball 237 one to one correspondence to insert or only several (such as more than 3) selectivity correspondences are inserted, these knock holees 235 are then plant (acting on aftermentioned) for one group of (two) pilot pin 236 selectivity symmetry,

There is a follower 24, central authorities' tool one axis hole 241 (diameter is greater than the circumference of this torsion shaft 232 slightly), periphery is provided with passive tooth 242, during installing, this follower 24 is socketed on this torsion shaft 232 circumferentially by its axis hole 241, and paste tactile with this actuator disc 231, the passive tooth 242 of this follower 24 can reach bridle joint with the section axle tooth 121 of this power axostylus axostyle 12 simultaneously; Shown in Fig. 9-10, what the face that this follower 24 faces this actuator disc 231 has majority is arranged in ring-type holds groove 243, these hold groove 243 and the majority of this actuator disc 231, and to hold groove 2311 corresponding one to one, specifically, each holds groove 243 itself and distinguishes the structure (as shown in Figure 10) having deep trouth 2431, skew wall 2432 and shallow slot 2433, wherein must strengthen illustrating, the degree of depth of deep trouth 2431 is just held into for a ball 237; And the degree of depth of shallow slot 2433 with hold groove 2311 and be added and be just held into for a ball 237 equally;

There is a Lining 25, central authorities' tool one axis hole 251 and there is a radial direction stretch into spacer 252 in this axis hole 251, during assembling, this Lining 25 is socketed on this torsion shaft 232 circumferentially by its axis hole 251, touch to paste with this follower 24, this spacer 252 supports positioning groove 233 inner position into this torsion shaft 232 simultaneously; Have a dish-type elastic component 26, central tool one axis hole 261, during assembling, this dish-type elastic component 26 is socketed on this torsion shaft 232 circumferentially equally by its axis hole 261, touches to paste with this Lining 25;

There is a plum blossom pad 27, central authorities' tool one axis hole 271 and there is a radial direction stretch into spacer 272 in this axis hole 271, and on periphery, offer most location assembly tab 273, during assembling, this plum blossom pad 27 is socketed on this torsion shaft 232 circumferentially equally by its axis hole 271, touch to paste with this dish-type elastic component 26, this spacer 272 supports positioning groove 233 inner position into this torsion shaft 232 simultaneously, there is a positioning screw cap 28, central authorities' tool one axis hole 281 and be provided with negative thread 282 in hole wall, and in outer peripheral edges, offer some positioning grooves 283, during assembling, this positioning screw cap 28 is spirally connected (adjustable be spirally connected degree) by its negative thread 282 and the outside thread 234 set by this torsion shaft 232 circumferential surface leading edge, to be socketed on this torsion shaft 232 circumferentially, and namely pressure this plum blossom pad 27 tactile bears against toward this actuator disc 231 direction, make this plum blossom pad 27, dish-type elastic component 26, Lining 25, what suitable tightness reached each other by follower 24 and each assembly of actuator disc 231 amplexiforms state, then some (at least a slice) can be located assembly tab 273 bending supports in adjacent corresponding positioning groove 283, with system, this positioning screw cap 28 cannot be exited again,

There is a fixed plate 29, central authorities' tool one square assembly hole 291, projection one group (two) registration mast 292 in outer peripheral edges, during assembling this fixed plate 29 by its square assembly hole 291 to should axostylus axostyle 20 square pallet 204 overlap connect, and namely prop up these registration masts 292 one to one by aforesaid pilot pin 236, then snap in the draw-in groove 205 of this axostylus axostyle 20 by a C jacket ring 293, system makes this torsion shaft disk body 23, what brake disc 22 and interlock dish 21 three reached suitable tightness each other amplexiforms state, last then be socketed in the foot piece portion 206 of this axostylus axostyle 20 with a bearing 294, support again into the inner predetermined assembled position of this inner cap body 107.

Then, shown in Fig. 5-6, this installing axis c is an axis that can accept power and then generation hanging load or dilatory load effect, it has an axostylus axostyle 30, mainly there is a circle on the surface to enclose refining circle draw-in groove 31 that corresponding holding enters for the refining on a refining bar 40 and be provided with a draw-in groove 32 in front-end surface, this axostylus axostyle 30 is respectively socketed a bearing 33 in the side, front and back of this circle refining circle draw-in groove 31, 34 and more front side socket one oil sealing 35 to be supported, and be jointly located in the inner predetermined assembled position (as shown in Figure 6) of this body skin 101, with the perforation 109 making front end stretch out this body skin 101, there is an effect wheel 36, central authorities' tool one axis hole 361, periphery is provided with effect tooth 362, during installing, this effect wheel 36 is socketed on this axostylus axostyle 30 on the surface by its fixing property of axis hole 361, and the effect tooth 362 making this effect take turns 36 reaches bridle joint with the section axle tooth 201 of this axostylus axostyle 20, snapped in the draw-in groove 32 of this axostylus axostyle 30 by a C jacket ring 37 again, cause this effect to take turns 36 location.

Then, refer to shown in Fig. 3, in this body skin 101, above this perforation 108, two sides respectively offer a coupling hole 1081, affixed affixed property means such as (can be grafting or) being spirally connected is planted respectively for the affixed bar 52 of axostylus axostyle 51 one end, the another end of this axostylus axostyle 51 is then an assembling bar 53, is provided with a draw-in groove 54 close to end; There are a torsion elastic component 55 and a clipping block 56 to be sequentially socketed on this assembling bar 53, then snapped in the draw-in groove 54 on this assembling bar 53 by a C jacket ring 57, cause this torsion elastic component 55 and this clipping block 56 to be located; This torsion elastic component 55 is a termination and this axostylus axostyle 51 clamping wherein, and 551, another termination snaps in the hole clipping 561 of this clipping block 56 lateral margin, causes this clipping block 56 to have the situation of single-way moving; Shown in Fig. 3-4, the front end having assembled rear two clipping blocks 56 just all supports in the acute angle groove of corresponding position ratchet 222 root on this brake disc 22, therefore can this brake disc 22 cannot be rotated common system to the direction of clipping block 56, and only can adopt the rotation of inverse clipping block 56 direction; When adopting inverse clipping block 56 direction and rotating, ratchet 222 can lift propped up clipping block 56 and resist the elastic force of torsion elastic component 55 and partially dynamic, after ratchet 222 of waiting turns over the scope that clipping block 56 can prop up, namely clipping block 56 is returned by the elastic force of torsion elastic component 55 and partially and again props up adjacent clipping block 56, so go round and begin again, make this brake disc 22 only can unidirectional rotation.Then, refer to shown in Fig. 6, in the electromechanics assembling of this power winch 1 in inside, be provided with an attached lamp overload protective device 60.

After the utility model embodiment power winch 1 completes assembling according to above-mentioned contexture relation, can be distinguished into " power rising " and " power dropping " two kinds control aspect during use, details are as follows respectively:

One, when load being moved up from lower hanging, namely " power rising " is selected to control aspect, after startup, this propulsion source 11 can drive this power axostylus axostyle 12 synchronously to rotate forward, namely section axle tooth 121 then on this power axostylus axostyle 12 drives this follower 24 to rotate backward, now on axis b, rotation because of this follower 24 belongs to leading, therefore can be as illustrated in figs. 13-14, ball 237 is jointly clamped with the groove 2311 that holds of this actuator disc 231 by the shallow slot 2433 held on groove 243 of this follower 24, this torsion shaft disk body 23 is caused to rotate in company with this follower 24, and this follower 24 removes this Lining 25 of packing via the promotion of these balls 237 is mobile, dish-type elastic component 26, plum blossom pad 27, positioning screw cap 28 and fixed plate 29, this torsion shaft disk body 23 promotes to move via these balls 237 and removes this brake disc 22 of packing and this interlock dish 21 simultaneously, in process, the negative thread of this brake disc 22 axis hole 221 can overlap the outside thread more packing of T-Ring 211 with this interlock dish 21, this follower 24 rotating in same direction is followed to drive this axostylus axostyle 20, then namely the section axle tooth 201 on this axostylus axostyle 20 drives this effect to take turns 36 oppositely (being forward) rotations again, dynamic load is with to rise to be pulled refining bar 40 by the refining circle draw-in groove 31 of this axostylus axostyle 30.

Two, when hanging load moves up from lower, if when having overload situation to exist, because under power rises to pull load, counter is that load gravity pulls this refining bar 40 downward, therefore can this axostylus axostyle 30 of interlock and this effect take turns 36 reverse, and namely conduct to this section of axle tooth 201 wink, interlock dish 21 and brake disc 22 rotate to ratchet 222 direction with this torsion shaft disk body 23, only because of this brake disc 22 by these clipping blocks 56 stop and cannot rotate, therefore rotated backward by the drive of section axle tooth 121 at this follower 24, but when this torsion shaft disk body 23 is motionless, can be transformed into as depicted in figs. 11-12 between this follower 24 and this actuator disc 231, this ball 237 enters in this deep trouth 2431 completely follows this follower 24 and rotates, and with this actuator disc 231 without relating to, now can be in " pine " contact condition between this follower 24 and this Lining 25, power is disconnected.If power after for a long time cannot lifting load time, this attached lamp overload protective device 60 can stop the Power output of this propulsion source 11, and the cresset that gives the alarm.

Three, when load being moved down from eminence hanging, namely " power dropping " is selected to control aspect, after startup, this propulsion source 11 can drive this power axostylus axostyle 12 synchronously to rotate backward, namely section axle tooth 121 then on this power axostylus axostyle 12 drives this follower 24 to rotate forward, now because the rotation of this follower 24 belongs to leading, therefore again can be as illustrated in figs. 13-14, ball 237 is jointly clamped with the groove 2311 that holds of this actuator disc 231 by the shallow slot 2433 held on groove 243 of this follower 24, this torsion shaft disk body 23 is caused to rotate in company with this follower 24, and this follower 24 removes this Lining 25 of packing via the promotion of these balls 237 is mobile, dish-type elastic component 26, plum blossom pad 27, positioning screw cap 28 and fixed plate 29, rotate to drive this axostylus axostyle 20, then the section axle tooth 201 on this axostylus axostyle 20 drives this effect to take turns 36 and rotates backward, dynamic load is with to decline to be pulled refining bar 40 by the refining circle draw-in groove 31 of this axostylus axostyle 30.

Four, when hanging load moves up from eminence, if when having overload situation to exist, because load gravity can pull this refining bar 40 downward, therefore meeting this axostylus axostyle 30 of interlock and this effect wheel 36 conduct to this section of axle tooth 201, interlock dish 21 and brake disc 22 rotate to ratchet 222 direction with this torsion shaft disk body 23, now can maintain the state shown in Figure 13-14 equally between this follower 24 with this actuator disc 231, force this interlock dish 21, brake disc 22 and this torsion shaft disk body 23 three packing, and by these ratchets 222 stop and cannot rotate, eminence is stayed in make load, process further again.

As shown in the above description, it is online that the assembly that main improvement of the present utility model is to produce torsion restriction and the assembly compatibility that can produce the effect of Ji Lun Brake car are assembled in same axle, to play the best use of effect, and reached the utility model object desired by the utility model completely.

In sum, the utility model feature that the restriction of the utility model torsion and Ji Lun Brake car assembly construct is never disclosed, dark tool industry applications and novelty, therefore proposes patent application in accordance with the law, earnestly asks and examines and confer approval.

Claims (2)

1. torsion restriction is taken turns Brake car assembly with sour jujube and is constructed, be installed in the facility for hanging load movement, these facility have a body skin, the inner interaction property according to installed assembly, divides into three installing axis, wherein, first installing axis is an axis providing active force, second installing axis is the axis of a transfer motion power, and the 3rd installing axis is one accept power and axis with dynamic load movement, it is characterized in that:

This second installing axis comprises an axostylus axostyle, and back segment forms one section of axle tooth, and front and back are respectively installed in into this body skin inner by a bearings; This axostylus axostyle is passed the rear affixed interlock dish of a perforation on this body skin side by the position outside this section of axle tooth, the axis hole wall of this interlock dish forms forward the externally threaded cover T-Ring of a tool, this axostylus axostyle body is outwards sequentially shaped to boundary's groove, a circle hack lever portion, a square pallet, a draw-in groove and a foot piece portion;

One brake disc, central authorities are the axis hole of a tool negative thread, and periphery is provided with circle ratchet in the same way, and two sides are respectively sticked the Lining of a braking, during the installing of this brake disc, by the external thread bolt connection on the negative thread of its axis hole and the cover T-Ring of this interlock dish;

One torsion shaft disk body, there is an actuator disc and a torsion shaft, what the face of this actuator disc has most continuous is arranged in ring-type holds groove, this torsion shaft is positioned on front side of this actuator disc, common tool one axis hole of central authorities, this torsion shaft circumferential surface is provided with leading edge on a positioning groove longitudinally offered and circumferential surface and is provided with one section of outside thread, leading flank has the knock hole that majority is arranged in ring-type, during the installing of this torsion shaft disk body, be connected in the round hack lever portion of this axostylus axostyle by its shaft hole sleeve, this holds groove and inserts for most ball, this knock hole is then planted for one group of pilot pin selectivity symmetry,

One follower, central tool one axis hole, periphery is provided with passive tooth, and during installing, this follower is connected to this torsion shaft circumferentially by its shaft hole sleeve, and pastes tactile with this actuator disc, and the passive tooth of this follower accepts the power transmission of this first installing axis simultaneously; What the face that this follower faces this actuator disc has majority is arranged in ring-type holds groove, and this holds groove and the majority of this actuator disc, and to hold groove corresponding one to one, and each holds groove and distinguishes and have deep trouth, skew wall and shallow slot, and the degree of depth of deep trouth is just held into for a ball; And the groove that holds of the degree of depth of shallow slot and this actuator disc is added and is just held into for a ball equally;

One Lining, central tool one axis hole and there is a radial direction stretch into spacer in this axis hole, during assembling, this Lining is connected to this torsion shaft circumferentially by its shaft hole sleeve, and touch to paste with this follower, this spacer supports the positioning groove inner position into this torsion shaft simultaneously;

One dish-type elastic component, central tool one axis hole, during assembling, this dish-type elastic component is connected to this torsion shaft circumferentially by its shaft hole sleeve, touches to paste with this Lining;

One plum blossom pad, central authorities' tool one axis hole and there is a radial direction stretch into spacer in this axis hole, and on periphery, offer most location assembly tab, during assembling, this plum blossom pad is connected to this torsion shaft circumferentially by its shaft hole sleeve, touch to paste with this dish-type elastic component, this spacer supports the positioning groove inner position into this torsion shaft simultaneously;

One positioning screw cap, central authorities' tool one axis hole and be provided with negative thread in hole wall, and in outer peripheral edges, offer some positioning grooves, the external thread bolt connection of this positioning screw cap set by its negative thread and this torsion shaft circumferential surface leading edge during assembling, to be socketed on this torsion shaft circumferentially, and namely pressure this plum blossom pad tactile bears against toward this actuator disc direction, make this plum blossom pad, dish-type elastic component, Lining, what suitable tightness reached each other by follower and each assembly of actuator disc amplexiforms state, then at least certain hyte load bending is supported in adjacent corresponding positioning groove, system makes this positioning screw cap exit,

One fixed plate, central authorities' tool one square assembly hole, projection one group of registration mast in outer peripheral edges, during assembling this fixed plate by its square assembly hole to should the square pallet cover of axostylus axostyle connect, and namely prop up this registration mast by the aforementioned pilot pin be inserted in the knock hole of this torsion shaft, then snap in the draw-in groove of this axostylus axostyle by a C jacket ring, be finally connected in the foot piece portion of this axostylus axostyle with a bearing carrier ring, then be installed in into this body skin inner; And

Above the perforation that this second installing axis passes this body skin, at least side offers a coupling hole, and the affixed bar for an axostylus axostyle one end is planted affixed, and the another end of this axostylus axostyle is an assembling bar, is provided with a draw-in groove close to end; There are a torsion elastic component and a clipping block to be sequentially socketed on this assembling bar, then snapped in the draw-in groove on this assembling bar by a C jacket ring, cause this torsion elastic component and this clipping block location; This torsion elastic component is a termination and this axostylus axostyle clamping wherein, and another termination snaps in the hole clipping of this clipping block lateral margin, makes this clipping block have the situation of single-way moving; After having assembled, the front end of this clipping block supports in the acute angle groove of ratchet root in corresponding position on this brake disc, and system makes this brake disc cannot rotate to clipping block direction.

2. torsion restriction according to claim 1 constructs with Ji Lun Brake car assembly, it is characterized in that: this body skin inside is provided with an attached lamp overload protective device.