CN204677649U - A kind of maintenance Lever type braking clamp brake block parallel motion mechanism - Google Patents
A kind of maintenance Lever type braking clamp brake block parallel motion mechanism Download PDFInfo
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- CN204677649U CN204677649U CN201420870111.3U CN201420870111U CN204677649U CN 204677649 U CN204677649 U CN 204677649U CN 201420870111 U CN201420870111 U CN 201420870111U CN 204677649 U CN204677649 U CN 204677649U
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- tong arm
- backboard
- brake block
- connecting rod
- back shaft
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Abstract
The utility model proposes a kind of maintenance Lever type braking clamp brake block parallel motion mechanism, solve the problem that hydraulic disc brake brake block in prior art can not be parallel to brake disc motion.One end of one end and the second tong arm of comprising the first tong arm is connected with the cylinder ear of oil cylinder both sides respectively; First resetting-mechanism, is arranged between the first tong arm and oil cylinder, the second resetting-mechanism, is arranged between the second tong arm and oil cylinder; Back shaft, is arranged between the first tong arm and the second tong arm; First balanced controls, are arranged on the first tong arm, the second balanced controls, are arranged on the second tong arm; First backboard, connect with the first tong arm the other end, the second backboard, is connected with the second tong arm the other end; First brake block, is arranged on the first backboard, the second brake block, is arranged on the second backboard.The technological scheme that the utility model proposes improves the brake block working life of hydraulic disc brake, decreases replacing dish and to stop the number of times of brake block, thus enhance productivity.
Description
Technical field
The utility model relates to oil-well rig, well repairing machine hydraulic disc type brake device, refers to a kind of maintenance Lever type braking clamp brake block parallel motion mechanism especially.
Background technique
Hydraulic disc brake has generally been used as the winch brake system of oil-well rig, well repairing machine.Wherein, brake block can not be parallel to brake disc motion, brake block eccentric wear will be made to cause shorten its working life on the one hand, brings inconvenience on the one hand field observation braking gap.
In prior art, for oil-well rig hydraulic disc brake, it is use direct push type hydraulic disk type brake that the method keeping brake block to be parallel to brake disc motion has three kinds: one.This method needs thoroughly to change water brake pincers mechanical type, can not be used for oil-well rig dish and to stop the lever type hydraulic braking clamp generally used.Two is adopt spring to provide for braking clamp being installed the backboard fixing brake block the reversal interlocking relay overcoming it and hang one's head.Although this method solves the problem that static lower backboard is hung one's head, along with the motion of backboard, generation one is hindered the opposite force of backboard motion by spring, not only can not ensure that brake block is parallel to brake disc motion, and braking mechanism be existed to the uncertainty of power.Three is by water brake pincers tong arm bottom roundings size, the relative tong arm flip angle of restriction backboard.This method can only prevent the backboard flip angle installing fixing brake block excessive, but along with the wearing and tearing gradually of brake block and brake disc, backboard and tong arm need larger relative flip angle that brake block and brake disc just can be made to remain to fit completely on the contrary, and therefore this method still has its narrow limitation.
Therefore, how to enable hydraulic disc brake brake block be parallel to brake disc motion is a mechanical difficult problem of oil-well rig hydraulic disc brake actuator always.
Model utility content
The utility model proposes a kind of maintenance Lever type braking clamp brake block parallel motion mechanism, solve the problem that hydraulic disc brake brake block in prior art can not be parallel to brake disc motion.
The technical solution of the utility model is achieved in that
A kind of maintenance Lever type braking clamp brake block parallel motion mechanism, comprises oil cylinder, also comprises:
For the first tong arm of being connected with oil cylinder and the second tong arm, one end of the first tong arm is connected with the cylinder ear of oil cylinder both sides respectively with one end of the second tong arm;
First resetting-mechanism, is arranged between the first tong arm and oil cylinder, the second resetting-mechanism, is arranged between the second tong arm and oil cylinder;
Back shaft, is arranged between the first tong arm and the second tong arm, and is flexibly connected with the first tong arm and the second tong arm respectively;
First balanced controls, are arranged on the first tong arm, the second balanced controls, are arranged on the second tong arm;
First backboard, connect with the first tong arm the other end, the second backboard, is connected with the second tong arm the other end;
First brake block, is arranged on the first backboard, the second brake block, is arranged on the second backboard.
As further technological scheme, the first balanced controls comprise:
First back shaft connecting rod, is connected with back shaft, and the first backboard connecting rod, is connected with the first backboard;
First equidistant connecting rod, is arranged between the first back shaft connecting rod and the first backboard connecting rod;
Second back shaft connecting rod, is connected with back shaft, and the second backboard connecting rod, is connected with the second backboard;
Second equidistant connecting rod, is arranged between the second back shaft connecting rod and the second backboard connecting rod.
Preferably, the first resetting-mechanism and the second resetting-mechanism are reset tension spring.
Preferably, the first backboard and the first tong arm pass through hinge; Second backboard and the second tong arm pass through hinge.
Preferably, back shaft and the first tong arm and the second tong arm pass through pinned connection.
The beneficial effect of technical solutions of the utility model:
Absorbable organic halogens, reliably maintenance brake block are parallel to the attitude of brake disc laminating, the eccentric wear problem of petroleum drilling machine hydraulic disc type brake brake block is improved from Der Grundsatz der Maschinen, substantially increase the brake block working life of hydraulic disc brake, decrease drilling team to stop boring replacing dish and to stop the number of times of brake block, thus enhance productivity;
And the two equidistant connecting rod that the utility model parallelogram lindage adopts, to form framework space, is convenient to the installation of braking clamp spatial position induction equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation keeping a Lever type braking clamp brake block parallel motion mechanism embodiment of the utility model;
Fig. 2 is the structural scheme of mechanism of Fig. 1 left view.
In figure:
1, oil cylinder; 2, the first tong arm; 3, the second tong arm; 4, the first resetting-mechanism; 5, the second resetting-mechanism; 6, back shaft; 71, the first back shaft connecting rod; 72, the first backboard connecting rod; 73, the first equidistant connecting rod; 81, the second back shaft connecting rod; 82, the second backboard connecting rod; 83, the second equidistant connecting rod; 9, the first backboard; 10; Second backboard; 11, brake disc.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, the one that the utility model proposes keeps Lever type braking clamp brake block parallel motion mechanism, comprises oil cylinder 1, also comprises:
One end of first tong arm 2 is connected with the cylinder ear of oil cylinder 1 both sides respectively with one end of the second tong arm 3, and the first resetting-mechanism 4 is set between the first tong arm 2 and oil cylinder 1, between the second tong arm 3 and oil cylinder 1, arrange the second resetting-mechanism 5, in the utility model, the first resetting-mechanism 4 and the second resetting-mechanism 5 are reset tension spring;
Be provided with back shaft 6 between first tong arm 2 and the second tong arm 3, and be provided with the first balanced controls on the first tong arm 2, the second tong arm 3 is provided with the second balanced controls, first backboard 9 is connected with first tong arm 2 the other end, second backboard 10 is connected with second tong arm 3 the other end, wherein
First backboard 9 and the first tong arm 2 are by hinge, and the second backboard 10 and the second tong arm 3 are by hinge, and like this in the process of action, the first tong arm 2 and the second tong arm 3 all can not affect the action between the first backboard 9 and the second backboard 10;
In addition,
In the utility model,
First balanced controls comprise:
First back shaft connecting rod 71, first backboard connecting rod 72 and the first equidistant connecting rod 73, wherein, the first equidistant connecting rod 73 is arranged between the first supporting post connecting rod and the first backboard connecting rod 72, and,
First back shaft connecting rod 71 is provided with the first cylinder boss, the back shaft 6 corresponding with the first back shaft connecting rod 71 is provided with the first shrinkage pool matched with the first cylinder boss on the first back shaft connecting rod 71, during connection, the first cylinder boss is inserted in the first shrinkage pool, is fixed connection;
Second balanced controls comprise:
Second back shaft connecting rod 81, second backboard connecting rod 82 and the second equidistant connecting rod 83, wherein, the second equidistant connecting rod 83 is arranged between the second supporting post connecting rod and the second backboard connecting rod 82, and,
Second back shaft connecting rod 81 is provided with the second cylinder boss, the back shaft 6 corresponding with the second back shaft connecting rod 81 is provided with the second shrinkage pool matched with the second cylinder boss on the second back shaft connecting rod 81, during connection, the second cylinder boss is inserted in the second shrinkage pool, is fixed connection;
First brake block is arranged on the first backboard 9, and the second brake block is arranged on the second backboard 10.
Operational phase:
When needing to implement brake, hydraulic oil promotes oil cylinder 1 piston and stretches, all outwards move in the upper end that the piston of oil cylinder 1 promotes the first tong arm 2 and the second tong arm 3, and the first resetting-mechanism 4 and the second resetting means open the certain pulling force of formation, according to lever principle, the lower end of the first tong arm 2 and the second tong arm 3 all promotes the first backboard 9 and the second backboard 10, drives first brake block and the second brake block inwardly to move, until first brake block and the second brake block compress brake disc 11, form brake;
When brake completes, hydraulic oil pressure release, under the reply pulling force effect of the first reset tension spring and the second reset tension spring, makes the first tong arm 2 and the second tong arm 3 return to initial position.
As shown in Figure 1, in the utility model, comprise L1, L2, L3 and L4, wherein, L1=L2, L3=L4, so supporting axle, the first supporting axle connecting rod, equidistant connecting rod 73, first tong arm 2 of the first backboard connecting rod 72, first and the first backboard 9 form a kind of planar pivot four-bar mechanism of parallelogram jointly, supporting axle, youngster's supporting axle connecting rod, equidistant connecting rod 83, second tong arm 3 of the second backboard connecting rod 82, second and the second backboard 10 form a kind of planar pivot four-bar mechanism of parallelogram jointly
The feature of this parallelogram lindage makes the first backboard 9 or the second backboard 10 moving direction to maintain an equal level with supporting axle axial direction Bao all the time Hang ﹐ thus when performing brake, is fixed on the first brake block on the first backboard 9 or the second brake block on the second backboard 10 is remained parallel with brake disc 11.
In the utility model, only can use supporting axle, the first supporting axle connecting rod according to different needs, the structure of equidistant connecting rod 73, first tong arm 2 of the first backboard connecting rod 72, first and the first backboard 9 brakes, concrete principle as hereinbefore, therefore no longer limits in the utility model.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a maintenance Lever type braking clamp brake block parallel motion mechanism, comprises oil cylinder (1), it is characterized in that, also comprise:
For the first tong arm (2) of being connected with oil cylinder (1) and the second tong arm (3), one end of described first tong arm (2) is connected with the cylinder ear of described oil cylinder (1) both sides respectively with one end of described second tong arm (3);
First resetting-mechanism (4), be arranged between described first tong arm (2) and described oil cylinder (1), second resetting-mechanism (5), is arranged between described second tong arm (3) and described oil cylinder (1);
Back shaft (6), is arranged between described first tong arm (2) and described second tong arm (3), and is flexibly connected with described first tong arm (2) and described second tong arm (3) respectively;
First balanced controls, are arranged on described first tong arm (2), the second balanced controls, are arranged on described second tong arm (3);
First backboard (9), connect with described first tong arm (2) the other end, the second backboard (10), is connected with described second tong arm (3) the other end;
First brake block, is arranged on described first backboard (9), the second brake block, is arranged on described second backboard (10).
2. maintenance Lever type braking clamp brake block parallel motion mechanism as claimed in claim 1, it is characterized in that, described first balanced controls comprise:
First back shaft connecting rod (71), is connected with described back shaft (6), the first backboard connecting rod (72), is connected with described first backboard (9);
First equidistant connecting rod (73), is arranged between described first back shaft connecting rod (71) and described first backboard connecting rod (72);
Second back shaft connecting rod (81), is connected with described back shaft (6), the second backboard connecting rod (82), is connected with described second backboard (10);
Second equidistant connecting rod (83), is arranged between described second back shaft connecting rod (81) and described second backboard connecting rod (82).
3. maintenance Lever type braking clamp brake block parallel motion mechanism as claimed in claim 2, it is characterized in that, described first resetting-mechanism (4) and described second resetting-mechanism (5) are reset tension spring.
4. maintenance Lever type braking clamp brake block parallel motion mechanism as claimed in claim 1, it is characterized in that, described first backboard (9) and described first tong arm (2) pass through hinge;
Described second backboard (10) and described second tong arm (3) pass through hinge.
5. maintenance Lever type braking clamp brake block parallel motion mechanism as claimed in claim 1, it is characterized in that, described back shaft (6) passes through pinned connection with described first tong arm (2) and described second tong arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870111.3U CN204677649U (en) | 2014-12-31 | 2014-12-31 | A kind of maintenance Lever type braking clamp brake block parallel motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870111.3U CN204677649U (en) | 2014-12-31 | 2014-12-31 | A kind of maintenance Lever type braking clamp brake block parallel motion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677649U true CN204677649U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870111.3U Active CN204677649U (en) | 2014-12-31 | 2014-12-31 | A kind of maintenance Lever type braking clamp brake block parallel motion mechanism |
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| CN (1) | CN204677649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930729A (en) * | 2017-05-25 | 2018-12-04 | 焦作金箍制动器股份有限公司 | A kind of eccentric abrasion prevention power hydraulic pressure disk brake |
| CN111515998A (en) * | 2020-05-22 | 2020-08-11 | 北京工业大学 | Semi-hidden movable holding claw hydraulic clamp based on spatial four-bar mechanism |
-
2014
- 2014-12-31 CN CN201420870111.3U patent/CN204677649U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930729A (en) * | 2017-05-25 | 2018-12-04 | 焦作金箍制动器股份有限公司 | A kind of eccentric abrasion prevention power hydraulic pressure disk brake |
| CN111515998A (en) * | 2020-05-22 | 2020-08-11 | 北京工业大学 | Semi-hidden movable holding claw hydraulic clamp based on spatial four-bar mechanism |
| CN111515998B (en) * | 2020-05-22 | 2022-06-21 | 北京工业大学 | Semi-hidden movable holding claw hydraulic clamp based on spatial four-bar mechanism |
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