阅读说明：本技术 一种平面过载安全保护装置 (A kind of plane overload safety protection device ) 是由 苏涛 于 2019-09-25 设计创作，主要内容包括：本发明涉及一种平面过载安全保护装置,包括驱动机构、与驱动机构连接的主连杆和与外部载荷连接的副连杆；主连杆和副连杆通过传动组件连接；所述主连杆上设有与所述副连杆限位连接的安装夹层,所述副连杆上设有凹坑,所述主连杆上设有与该凹坑位置对应的通孔；所述传动组件包括置于所述凹坑和通孔内的钢球、以及固定于所述主连杆上并将所述钢球按压在所述凹坑内的弹簧片。与现有技术相比,本发明具有结构简单、安全可靠、方便更换、方便检修和应用范围广等优点。(The present invention relates to a kind of plane overload safety protection devices, including driving mechanism, the master connecting-rod connecting with driving mechanism and the slave connecting rod connecting with external load；Master connecting-rod is connected with slave connecting rod by transmission component；The master connecting-rod is equipped with the installation interlayer with slave connecting rod limit connection, and the slave connecting rod is equipped with pit, and the master connecting-rod is equipped with through-hole corresponding with the groove position；The transmission component includes the steel ball being placed in the pit and through-hole and is fixed on the master connecting-rod and the steel ball is pressed the spring leaf in the pit.Compared with prior art, the present invention have many advantages, such as structure it is simple, it is safe and reliable, be convenient for changing, be convenient to overhaul and have a wide range of application.)

1. a kind of plane overload safety protection device, which is characterized in that including driving mechanism, the master connecting-rod being connect with driving mechanism (3) and with external load the slave connecting rod (7) connecting；The master connecting-rod (3) is connected with slave connecting rod (7) by transmission component；

The master connecting-rod (3) is equipped with the installation interlayer with the slave connecting rod (7) limit connection, and the slave connecting rod (7) is equipped with Pit, the master connecting-rod (3) are equipped with through-hole corresponding with the groove position；

The transmission component includes the steel ball (10) being placed in the pit and through-hole and is fixed on the master connecting-rod (3) And the steel ball (10) are pressed into the spring leaf (9) in the pit.

2. a kind of plane overload safety protection device according to claim 1, which is characterized in that the pit is that taper is recessed Hole.

3. a kind of mechanical overload safety guard according to claim 2, which is characterized in that the pyramidal pits Cone angle is 50~70 °.

4. a kind of mechanical overload safety guard according to claim 3, which is characterized in that the pyramidal pits Cone angle is 60 °.

5. a kind of plane overload safety protection device according to claim 1, which is characterized in that the transmission component also wraps It includes briquetting (8), one end of the spring leaf (9) is fixed on the master connecting-rod (3) by tabletting, and the other end is covered in the master On the through-hole of connecting rod (3).

6. a kind of plane overload safety protection device according to claim 5, which is characterized in that the briquetting (8) passes through Screw is fixed on the master connecting-rod (3).

7. a kind of plane overload safety protection device according to claim 1, which is characterized in that the master connecting-rod (3) and Slave connecting rod (7) includes mounting portion and driving section, and the installation interlayer is set on the driving section of the master connecting-rod (3), the pair The driving section of connecting rod (7) is placed in the installation interlayer；The mounting portion of the slave connecting rod (7) is sheathed on the master connecting-rod (3) On mounting portion.

8. a kind of plane overload safety protection device according to claim 7, which is characterized in that the driving mechanism includes Driving cam (1), be set to it is described driving cam (1) track groove in roller (2), connect with the roller (2) transmission arm, The mounting portion of the support shaft (4) being fixed on external installation frame, the master connecting-rod (3) is equipped with and the support shaft (4) The axis hole matched, the end of the transmission arm are fixedly connected with the mounting portion of the master connecting-rod (3).

9. a kind of plane overload safety protection device according to claim 8, which is characterized in that the driving mechanism is also wrapped The driving section of the upper positioning ring (5) for including socket, being fixed on the mounting portion of the master connecting-rod (3), the master connecting-rod (3) is equipped with The opening of the upper positioning ring (5) is placed, the upper positioning ring (5) connects the slave connecting rod (7) and the master connecting-rod (3) locking It connects.

10. a kind of plane overload safety protection device according to claim 8, which is characterized in that the master connecting-rod (3) and Slave connecting rod (7) moves back and forth in working face.

Technical field

The present invention relates to a kind of mechanical overload safety guards, fill more particularly, to a kind of plane Overload Protection It sets.

Background technique

Currently, for movable machinery, the position generally required to position or load is designed with limit and corresponding Overload Protection measure, in case load is excessive or exceeds movement position and causes adverse consequences.Thus safe overload device exists Using than wide in machinery.When using batten box package machine, because of cabinet space in discovery batten box package machine (YB600) Small, internal lubrication Chuck Steak, movement is again horizontal movement, does not account for increasing overload protection arrangement in Preliminary design, as a result Occur overloading larger, the accident of equipment damage during tobacco factory's first production run.Because the condition in this equipment box space limits System can not increase the overload clutch element of existing maturation, can only be developed and be designed according to existence conditions.Therefore it needs to design a kind of suitable The lesser overload safety protection device of installation space is occupied while closing plane Overload Protection, is applied to existing batten box In packing machine, Overload Protection is carried out.

Chinese patent CN106895092A discloses a kind of Overload Protection device, belongs to agricultural machinery；On the driving shaft It circumferentially can be rotated, the installation cutterhead or cutter tooth mounting base of radial and axial positioning, the radial direction on cutterhead or cutter tooth mounting base is logical Steel ball and compression spring are equipped in hole, the pressure adjusting screw of equipped locking nut screws the radial direction in cutterhead or cutter tooth mounting base On through-hole, compression spring both ends of the surface are engaged with steel ball and pressure adjusting screw respectively, steel ball with it is recessed in drive shaft surface Hole is engaged or is detached from cooperation, and mounting hole is equipped at cutterhead or cutter tooth mounting base circumferential edges position.But the patented technology It is the circumferential movement overload protection in drive shaft；According to mechanics principle it is found that on axis aperture it is larger to its intensity effect；This is specially Benefit is suitable for the circumferential movement overload protection of general High Speed Light, larger for load, and the small situation of installation space is simultaneously uncomfortable With.And for batten box package machine (YB600), installation space is narrow flat space, which may not apply to the batten In box package machine.

Summary of the invention

It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of plane overloads Protective device, the device are particularly suitable for the narrow situation of installation space.

The purpose of the present invention can be achieved through the following technical solutions:

A kind of plane overload safety protection device, including driving mechanism, the master connecting-rod being connect with driving mechanism and with outside The slave connecting rod of load connection；The master connecting-rod is connected with slave connecting rod by transmission component；

The master connecting-rod is equipped with the installation interlayer with slave connecting rod limit connection, and the slave connecting rod is equipped with pit, The master connecting-rod is equipped with through-hole corresponding with the groove position；

The transmission component includes the steel ball being placed in the pit and through-hole and is fixed on the master connecting-rod and incites somebody to action The steel ball presses the spring leaf in the pit.

The operation principle of the present invention is that: driving mechanism drives master connecting-rod planar to be rotated, master connecting-rod and then drive Rotation in surface occurs for slave connecting rod, and it is mobile that slave connecting rod is further driven to external load；Master connecting-rod and slave connecting rod pass through transmission component Connection, be partially disposed in when not overloading, on steel ball in the through-hole of master connecting-rod, under be partially disposed in the pit of slave connecting rod, at this time Steel ball is equivalent to a pivot pin, to realize the transmitting of power between master connecting-rod and slave connecting rod；When overload occurs, slave connecting rod due to Load is larger no longer to be moved, and master connecting-rod continues to move under the drive of driving mechanism, then can make steel ball disengaged from pit or It rolls out, slave connecting rod runs out of steam to change and stand, and master connecting-rod dallies under the drive of driving mechanism, to realize that overload is protected Shield manually can directly work steel ball reset after overloading removal.

The present invention can adjust specific overload by the pit depth in the size and slave connecting rod of adjusting steel column and require, Steel ball is larger, then spring leaf is bigger to the pressing force of steel ball, and overload power is also bigger；Pit is deeper, and steel ball is less susceptible to from recessed It is rolled out in hole, overload power is also bigger, and this regulative mode is simple and easy, easy to adjust.

It is connected by master connecting-rod with slave connecting rod and transmission component, connecting rod has stronger mechanical strength, can satisfy weight The requirement of load.

The pit is pyramidal pits.

Preferably, the cone angle of the pyramidal pits is 50~70 °.

It is highly preferred that the cone angle of the pyramidal pits is 60 °.

The transmission component further includes briquetting, and one end of the spring leaf is fixed on the master connecting-rod by tabletting, separately One end is covered on the through-hole of the master connecting-rod.

The briquetting is fixed on the master connecting-rod by screw.

The master connecting-rod and slave connecting rod include mounting portion and driving section, and the installation interlayer is set to the biography of the master connecting-rod In dynamic portion, the driving section of the slave connecting rod is placed in the installation interlayer；The mounting portion of the slave connecting rod is sheathed on the main company On the mounting portion of bar.

The driving mechanism includes driving cam, roller and the roller in the track groove of the driving cam The mounting portion of the transmission arm of connection, the support shaft being fixed on external installation frame, the master connecting-rod is equipped with and the support The matched axis hole of axis, the end of the transmission arm are fixedly connected with the axis hole.

By the specific structure of design driven mechanism, can satisfy makes the movement of master connecting-rod and slave connecting rod in the same plane It moves back and forth, the installation space needed is smaller.

The driving mechanism further includes socket, the upper positioning ring being fixed on the mounting portion of the master connecting-rod, the main company The driving section of bar is equipped with the opening for placing the upper positioning ring, and the upper positioning ring locks the slave connecting rod and the master connecting-rod It is tightly connected.

The plane overload safety protection device carries out interval reciprocating motion, device provided by the invention in working face It is to be designed for the cabinet space of batten box package machine (YB600) and the requirement of horizontal movement, belongs to a kind of plane heavy duty Overload Protection, and motion mode is intermittent movement, and because of spatial relationship, prior art patent CN106895092A without Method is applied to herein.

Existing batten box package machine realizes the transmission connection between driving mechanism and external load by a connecting rod, Directly external load is driven to carry out plane motion, when overload does not have safety guard, and there are accident risks；Therefore it needs to existing Some connecting rods improve.Existing connecting rod is divided into master connecting-rod and slave connecting rod first by the present invention, is arranged between Transmission component connection；Then, the thickness of master connecting-rod is increased, centre opens up installation interlayer and corresponding through-hole, by having The master connecting-rod of through-hole, the cooperation with dimpled slave connecting rod, elastic slice, steel ball etc., make the pit in the pressure and slave connecting rod of reed As movable power transmission, to realize the function of plane Overload Protection.

Compared with prior art, the invention has the following advantages that

(1) only overload protection can be realized by the transmission component between two connecting rods and two connecting rods in the present invention, has Have that structure is simple, it is applied widely, be particularly suitable for the characteristics of plane motion overload；

(2) easy to adjust, safe and reliable: the present invention can be required according to overload, change the size and slave connecting rod of steel ball On the pit depth realize adjust overload power, be convenient for changing；

(3) convenient to overhaul: because the present apparatus is not related to the adjustment link of precision component and complexity, to overhaul very convenient.

Detailed description of the invention

Fig. 1 is schematic view of the front view of the invention；

Fig. 2 is sectional view along A-A of the invention；

In figure, 1 is driving cam, and 2 be roller, and 3 be master connecting-rod, and 4 be support shaft, and 5 be upper positioning ring, and 6 be lower positioning ring, 7 be slave connecting rod, and 8 be briquetting, and 9 be spring leaf, and 10 be steel ball, and 11 be locking nut, and 12 be positioning screw, and 13 be sector gear, 14 be gear, and 15 be transmission arm.

Specific embodiment

The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.