CN202833755U

CN202833755U - Hydraulic brake

Info

Publication number: CN202833755U
Application number: CN201220566327.1U
Authority: CN
Inventors: 段京丽; 张彩霞; 王自力; 史春香; 任明星; 曹红霞; 魏胜利; 史运锋
Original assignee: Jiaozuo Rethel Disc Brakes Co Ltd
Current assignee: Jiaozuo Rethel Disc Brakes Co Ltd
Priority date: 2012-10-31
Filing date: 2012-10-31
Publication date: 2013-03-27
Anticipated expiration: 2022-10-31

Abstract

The utility model discloses a hydraulic brake. According to the hydraulic brake, a braking body is enabled to be assembled along the clamping direction in an oriented mode on a frame body stretching up and down, driven friction pieces are enabled to be fixed on one side braking wall of a braking space, driving friction pieces are enabled to be connected on a driving oil cylinder installed on the other side braking wall of the braking space in a transmission mode, the driving friction pieces are pressed tightly on one side of a braking disk by the driving oil cylinder when the braking is started, and at the moment the braking disk exerts reactive forces to the braking body, the whole braking body is pushed to move on the frame body by the reactive forces, the driven friction pieces are enabled to be matched with the other side of the braking disk, the driving friction pieces and the driven friction pieces are enabled to be clamped tightly on the two sides of the braking disk along with the constant increase of the pressing forces exerted by the driving oil cylinder to the driving friction pieces, and the braking effect is achieved. According to the hydraulic brake, in the installation process, only the distance between the braking wall and the braking disk is guaranteed to be large enough, the corresponding braking purpose can be achieved, and therefore the installation difficulty of the brake is reduced, and the installation cost is lowered.

Description

Hydraulic brake

Technical field

The utility model relates to the hydraulic brake technical field.

Background technique

At present, normally used break is disk type braker in the mechanized equipment, a kind of opposite open type hydraulic direct-driven caliper disc brake that provides for 200520030579.2 Chinese utility model patent such as application number, this break is made of two bodies that are installed in the brake disc both sides, two bodies are installed on the bearing of machinery, and around brake disc, form U-shaped jaw with bearing, be provided with along the oil hydraulic cylinder of the relative folding of clamping direction of clamping brake disc on the relative both sides sidewall of jaw (i.e. the opposite side of two bodies), the push rod of oil hydraulic cylinder can stretch out from the jaw sidewall, and be equiped with respectively friction plate in the outside of two push rods, by the relative extension of two oil hydraulic cylinders friction plate is pressed in use the both sides of brake disc, to reach the purpose of braking, so just require two oil hydraulic cylinders synergisticing performance in braking process good, and in the process that break is installed, accurately control the distance between friction plate and the brake disc, thereby production and installation to break have proposed excessive demand, have improved production and the installation cost of break.

The model utility content

The purpose of this utility model provides a kind of hydraulic brake, is intended to solve the problem that the hydraulic braking production difficulty is large, installation cost is high that hydraulic brake causes because of two mutual collaborative works of oil hydraulic cylinder of needs in the prior art.

In order to realize above purpose, the technological scheme that the utility model adopts is:

The technological scheme of hydraulic brake of the present utility model is as follows:

A kind of hydraulic brake, comprise brake body, offer the braked space that inserts for brake disc on the brake body, braked space has be used to two retainer walls that are arranged in the opposing both sides of brake disc on the clamping direction, also comprise the support body that extends along the clamping direction, support body cooperates along clamping direction guiding by guide mechanism with brake body; Be equiped with respectively active friction plate and the driven friction that relative spacing distributes on two retainer walls, driven friction is fixed on the retainer walls, active friction plate is in transmission connection on the driving oil cylinder of installing in another retainer walls, drive oil cylinder have for active friction plate is pressed on process on the brake disc, brake body at guiding movement on the support body so that driven friction is pressed in the braking distance on the driving disc.

Be provided with on the described support body for the positioning means of adjusting the brake body position, described positioning means comprises the pedestal that is in the relative both sides of brake body, be used for brake body is pressed on retaining spring on the pedestal, and the two ends of retaining spring are separately fixed on support body and the brake body.

Described positioning means also comprises and revolves the holding down bolt that is located on the brake body, and the bar section of holding down bolt passes from the side of brake body near pedestal, passes part and cooperates with the pedestal block.

The head of described holding down bolt exposes from the side away from pedestal of brake body, and is installed with the setscrew nut that is between holding down bolt head and the brake body in the bar section of holding down bolt.

Described guide mechanism comprises on directional post that the above-below direction that arranges on the frame extends, the directional post the along the vertical direction body of guiding assembling, and brake body is fixedly connected with or is wholely set on body.

Described brake body comprises up and down the active caliper that distributes successively and by moving caliper, initiatively caliper be fixedly connected with by moving caliper, described braked space is caliper and by the gap between the opposite flank, moving caliper right side initiatively, described retainer walls for caliper initiatively with by the sidewall of relative both sides, the described gap of being in of moving caliper, described driving oil cylinder is installed on the described sidewall of caliper initiatively, and is equiped with displacement monitor for active friction plate open mode and state of wear at the described sidewall of active caliper.

Described active caliper be fixedly connected with at the have the initiative top of caliper of the head of connecting bolt, and cooperate with the upper side block of active caliper by connecting bolt by moving caliper; The bar section of connecting bolt stretches out from the downside of active caliper, and extension screws in by in the moving caliper, and is arranged with the caliper and by the adjustment pad between the moving caliper of having the initiative in the bar section periphery of connecting bolt.

Described active friction plate and driven friction all are bolted on the brake body by adjustment, the afterbody of adjusting bolt screws in the friction plate, the head of adjustment bolt exposes from the side away from friction plate of the projection that brake body is convexly equipped with, and is arranged with the return spring that is between adjustment bolt head and the projection in the bar section that adjusts bolt.

The utility model is assemblied in brake body on the support body of upper downward-extension along clamping direction guiding, and driven friction is fixed on a side retainer walls of braked space, active friction plate is in transmission connection on the driving oil cylinder of installing in braked space opposite side sidewall, in use, drive the side that oil cylinder is pressed on active friction plate brake disc when beginning to brake, this moment, brake disc can apply reaction force to brake body, it is mobile at support body that this part reaction force promotes whole brake body, so that driven friction cooperates with the opposite side of brake disc, the impacting force that is applied on the active friction plate along with the driving oil cylinder continues to increase, active friction plate and driven friction can be clamped in the both sides of brake disc thereupon, reach braking effect, therefore only need in the utility model installation process to guarantee that the spacing between retainer walls and the brake disc is enough large, just can realize braking accordingly purpose, thereby reduced the installation difficulty of break, reduced installation cost, and compared with prior art, the utility model has saved at least one and has driven oil cylinder, thereby reduced in braking process the consumption of hydraulic oil, reached the effect of energy saving.

Description of drawings

Fig. 1 is the utility model embodiment's structural representation;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the plan view of Fig. 1.

Embodiment

The embodiment of hydraulic brake of the present utility model: as shown in Figure 1 to Figure 3, this hydraulic brake comprises support body and brake body, the pedestal 1 that extends about support body comprises, the left and right sides of pedestal 1 be the directional post 2 of the vertical upper downward-extension of establishing respectively, brake body is between two directional posts 2, and brake body comprises active caliper 3 that above-below direction distributes successively and by moving caliper 4.Caliper 3 and had the gap between the opposite flank, front side of moving caliper 4 initiatively, and be equiped with active friction plate 51 at active caliper 3, be equiped with driven friction 52 by moving caliper 4, the braked space 5 of gap between active friction plate and the driven friction for being used for inserting for brake disc, the up and down both sides of braked space 5 are respectively the caliper 3 and by the retainer walls on the moving caliper 4 of having the initiative, and be equiped with driving oil cylinder 6 and the displacement monitor 7 that is in transmission connection with active friction plate 51 in the retainer walls of active caliper 3, the intermediate portion of active friction plate 51 is pressed on the piston of the driving oil cylinder 6 of caliper 3 interior installings initiatively, the left and right sides of active friction plate 51 is installed with respectively adjusted bolt 54, upper adjustment bolt 54 vertical being located on the upper side of active friction plate 51, and afterbody screws in the active friction plate 51, the upper protruding block 55 that the head of upper adjustment bolt 54 arranges from active caliper 3 left and right sides passes, and expose from the upside of upper protruding block 55, be arranged with the upper return spring 56 that is between its head lower end surface and described upper protruding block 55 upper sides at upper adjustment bolt 54 bodies of rod, up and down two ends that should upper return spring 56 respectively block on the upper side of the head of upper adjustment bolt 54 and described upper protruding block 55, so that active friction plate 51 is in transmission connection on the piston that drives oil cylinder, realize active friction plate 51 and initiatively being flexible coupling between the caliper 3; The downside of driven friction 52 is installed with lower adjustment bolt 58, lower adjustment bolt 58 vertical being located on the downside of driven friction 52, the afterbody of lower adjustment bolt 58 screws in the driven friction 52, the head of lower adjustment bolt 58 passes from the lower protruding block 59 that is convexly equipped with by moving caliper 4, and expose from the below of lower protruding block 59, be arranged with the lower return spring 510 between the downside of the upper-end surface that is in lower adjustment bolt 58 heads and lower protruding block 59 in the bar section of lower adjustment bolt 58, the up and down two ends of this time return spring 510 respectively block on the downside of the upper-end surface of lower adjustment bolt 58 heads and lower protruding block 59, so that driven friction 52 is flexible coupling on by moving caliper 4 by lower adjustment bolt 58 and lower return spring 510.Initiatively caliper 3 is fixed on by moving caliper 4 tops by connecting bolt 8, the have the initiative top of caliper 3 of the head of connecting bolt 8, and cooperate with the upper side block of active caliper 3, the bar section of connecting bolt 8 stretches out from the downside of active caliper 3, extension screws in by in the moving caliper 4, and is arranged with in the bar section periphery of connecting bolt 8 and has the initiative caliper 3 and to be spacer 9 between the moving caliper 4.Be wholely set the body 10 of upper downward-extension respectively by the left and right sides of moving caliper 4, body 10 leads along the vertical direction and is assemblied on the directional post 2, and be provided with for the positioning means of adjusting body 10 position on directional post 2 at body 10, this positioning means comprises on the retaining spring 11 that is set on the directional post 2 in place, body top position, the body 2 and revolves the holding down bolt 12 of establishing, the two ends of retaining spring 11 are separately fixed on the upper-end surface of the baffle plate 13 that arranges on the directional post 2 upper end end faces and body 10, to apply downward thrust to body 10; The bar section of holding down bolt 12 is passed from the axially extended tapped hole that body 10 perisporiums are offered, the afterbody of holding down bolt 12 inserts in the blind hole of offering on the pedestal 1, the head of holding down bolt 12 exposes from the top, upper-end surface of body 10, bar section at holding down bolt 12 is installed with the setscrew nut 14 that is between holding down bolt 12 heads and the body 10, and the lower end surface of setscrew nut 14 cooperates with the upper-end surface block of body 10.The edge of fixing baffle plate 13 exposes around directional post 2 on directional post 2 upper-end surfaces, and be equipped with clamping bolt 15 at baffle plate 13, the bar section of clamping bolt 15 screws in the directional post 2, the head block of clamping bolt 15 is on the upper plate surface of baffle plate 13, so that baffle plate 13 is pressed on the directional post 2, realization baffle plate 13 is fixedly connected with directional post 2.

The present embodiment in use, when beginning to brake, drive oil cylinder 6 oil-filled, drive oil cylinder 6 pistons to pressing down active friction plate 51, the elastic force of active friction plate 51 return spring 56 on overcoming under the pressure-acting that drives oil cylinder 6 pistons is pressed downward tight upside at brake disc, this moment, brake disc can apply reaction force upwards to brake body, this part reaction force promotes whole brake body and moves up at support body, so that driven friction 52 cooperates with the downside of brake disc, be applied to continuing to increase of impacting force on the active friction plate 51 along with driving oil cylinder 6, active friction plate 51 and driven friction 52 also can be clamped in the up and down both sides of brake disc thereupon, reach braking effect; When stopping to brake, drive oil cylinder 6 drainings, the impacting force that driving oil cylinder 6 pistons are applied on the active friction plate 51 fades away, and because in above-mentioned braking process, upper return spring 56 is interior to have stored certain elastic potential energy, in this section under the effect of elastic potential energy, upper adjustment bolt 54 is upwards boosted by upper return spring 56, so that active friction plate 51 moves upward under the drive of upper adjustment bolt 54, so that active friction plate 51 breaks away from from the upper side of brake disc, retaining spring 11 also opens gradually simultaneously, with whole brake body at support body to pressing down, until active friction plate 51 and driven friction 52 reach the purpose that stops to brake all from the upper disengagement of brake disc.

The present embodiment drives whole drive unit action take one-sided oil hydraulic cylinder as power source by reaction force, with realization brake disc is braked; Displacement monitor 7 can be realized the state of wear of active friction plate 51 is shown and the braking state demonstration, so that active friction plate all can be able to demonstration directly perceived by displacement monitor in braking unlatching and wear working condition, reach the constantly purpose of monitoring; The guide mechanism that is consisted of by directional post 2 and body 10, under the effect of retaining spring and holding down bolt, setscrew nut, can make brake body fluctuate at directional post 2 (10mm that floats at least, 5mm floats downward), to reach braking advantage flexible and easy for installation, and can regulate the degree of tightness of retaining spring by clamping bolt, thereby the position of brake body is adjusted; The thickness of adjusting pad can change into to be adjusted the active caliper and by the gap between the moving caliper, reaches the purpose of accurate control drag friction power and assembly precision; Active friction plate 51 and driven friction 52 are by the circular accumulation of ketone group once-through, stable friction performance under 700 ℃ of high temperature, active friction plate 51 and driven friction 52 are all by adjusting soft being connected on the brake body of screw and return spring combination, can under the prerequisite of not dismantling break, change active friction plate 51 and driven friction 52, and in braking process, braking force between friction plate and the brake disc strengthens gradually, so that be the flexible braking process in the braking process of break, improved the reliability of braking process; Drive in the oil cylinder 6 and be provided with annular drain pan, and will leak fluid by draining passage, G1/8 pipe joint and engineering plastics transparent pipe and guide in the fixed container, the annular drain pan is between Sealing and dust ring, so both avoid oil contamination brake disc, active friction plate 51 and caused other misfunctioning of brake, can inform that again the user patrols and examines personnel's break and breaks down, thereby in time remove fault.

Hydraulic brake of the present utility model can be realized the single cylinder clasp brake, and is simple for structure; The hydraulic direct-acting braking, efficient is high; Displacement monitor realizes that two states shows, economy, controllability are high, are convenient to monitoring; Guide mechanism can reduce the installation difficulty of whole break.

In the above-described embodiments, brake body is wholely set on body, in other embodiments, brake body also can with body by weld, be threaded, the mode such as riveted joint is fixed together.

In the above-described embodiments, guide mechanism is made of directional post and body, and in other embodiments, guide mechanism also can be the guide mechanism commonly used such as linear guide rail device or linear bearing guide mechanism.

In the above-described embodiments, brake body consists of by the active caliper with by moving caliper, and braked space is caliper and by the gap between the moving caliper right side, in other embodiments initiatively, brake body also can be a whole block, and corresponding braked space is the gap of offering on the brake body.

In the above-described embodiments, drive oil cylinder and be installed on the retainer walls of upside, move to drive active friction plate, in other embodiments, drive oil cylinder and also can be installed on the retainer walls of downside, the active friction plate in corresponding above-described embodiment and the distributing position of driven friction can be replaced mutually.

In the above-described embodiments, by retaining spring and the holding down bolt location to body, so that body position on directional post is fixed, and can be by unscrewing the spacing between setscrew nut adjustment body and the pedestal, realize the effect that braking is reliable and easy to adjust, in other embodiments, also can cancel the positioning means between support body and the brake body, act on frictional force on the friction plate, reach the effect that stops to brake and rely on brake body to slow down brake disc at the guiding movement on the matrix.

In the above-described embodiments, the compression of active friction plate realizes by driving oil cylinder, the return of active friction plate relies on upper return spring to realize, in other embodiments, also can remove return spring, change to two-way cylinder and will drive oil cylinder, namely driving oil cylinder both can be pressed on active friction plate on the brake disc, also active friction plate can be pulled open from brake disc, corresponding active friction plate is fixed on the piston that drives oil cylinder, and namely active friction plate is in transmission connection and is driving on the oil cylinder.

In the above-described embodiments, driven friction is fixed on the brake body by flexible connection structure, and in other embodiments, driven friction also can be bolted, welding, the mode such as bonding directly are fixed on the brake body.

Claims

1. hydraulic brake, comprise brake body, offer the braked space that inserts for brake disc on the brake body, braked space has be used to two retainer walls that are arranged in the opposing both sides of brake disc on the clamping direction, it is characterized in that, also comprise the support body that extends along the clamping direction, support body cooperates along clamping direction guiding by guide mechanism with brake body; Be equiped with respectively active friction plate and the driven friction that relative spacing distributes on two retainer walls, driven friction is fixed on the retainer walls, active friction plate is in transmission connection on the driving oil cylinder of installing in another retainer walls, drive oil cylinder have for active friction plate is pressed on process on the brake disc, brake body at guiding movement on the support body so that driven friction is pressed in the braking distance on the driving disc.

2. a kind of hydraulic brake according to claim 1, it is characterized in that, be provided with on the described support body for the positioning means of adjusting the brake body position, described positioning means comprises the pedestal that is in the relative both sides of brake body, be used for brake body is pressed on retaining spring on the pedestal, and the two ends of retaining spring are separately fixed on support body and the brake body.

3. a kind of hydraulic brake according to claim 2 is characterized in that, described positioning means also comprises and revolve the holding down bolt that is located on the brake body, and the bar section of holding down bolt passes from the side of brake body near pedestal, passes part and cooperates with the pedestal block.

4. a kind of hydraulic brake according to claim 3, it is characterized in that, the head of described holding down bolt exposes from the side away from pedestal of brake body, and is installed with the setscrew nut that is between holding down bolt head and the brake body in the bar section of holding down bolt.

5. the described a kind of hydraulic brake of any one in 4 according to claim 1, it is characterized in that, described guide mechanism comprises on directional post that the above-below direction that arranges on the frame extends, the directional post the along the vertical direction body of guiding assembling, and brake body is fixedly connected with or is wholely set on body.

6. the described a kind of hydraulic brake of any one in 4 according to claim 1, it is characterized in that, described brake body comprises up and down the active caliper that distributes successively and by moving caliper, initiatively caliper be fixedly connected with by moving caliper, described braked space is caliper and by the gap between the opposite flank, moving caliper right side initiatively, described retainer walls for caliper initiatively with by the sidewall of relative both sides, the described gap of being in of moving caliper, described driving oil cylinder is installed on the described sidewall of caliper initiatively, and is equiped with displacement monitor for active friction plate open mode and state of wear at the described sidewall of active caliper.

7. a kind of hydraulic brake according to claim 6 is characterized in that, described active caliper be fixedly connected with at the have the initiative top of caliper of the head of connecting bolt, and cooperate with the upper side block of active caliper by connecting bolt by moving caliper; The bar section of connecting bolt stretches out from the downside of active caliper, and extension screws in by in the moving caliper, and is arranged with the caliper and by the adjustment pad between the moving caliper of having the initiative in the bar section periphery of connecting bolt.

8. the described a kind of hydraulic brake of any one in 4 according to claim 1, it is characterized in that, described active friction plate and driven friction all are bolted on the brake body by adjustment, the afterbody of adjusting bolt screws in the friction plate, the head of adjustment bolt exposes from the side away from friction plate of the projection that brake body is convexly equipped with, and is arranged with the return spring that is between adjustment bolt head and the projection in the bar section that adjusts bolt.