CN110842438A - Single-cylinder-driven double-pressure-head reinforcement clamping self-locking simultaneous opening belt jacking mechanism - Google Patents

Abstract

The invention discloses a single-cylinder-driven double-pressure-head boosting clamping self-locking simultaneous opening belt jacking mechanism, which comprises a first pressure arm, a second pressure arm, a first connecting plate and a second connecting plate, wherein the second connecting plate is positioned on one side of the whole device, the first connecting plate is arranged on one side of the second connecting plate, and the first pressure arm and the second pressure arm are arranged between the second connecting plate and the first connecting plate. The application range of the mechanism is enlarged.

Description

Single-cylinder-driven double-pressure-head reinforcement clamping self-locking simultaneous opening belt jacking mechanism

Technical Field

The invention relates to the technical field of tools, in particular to a single-cylinder-driven double-pressure-head boosting clamping self-locking and simultaneously opening belt jacking mechanism.

Background

In the field of tools, the structural form of a positioning and clamping mechanism is usually designed according to the shape and required functions of a workpiece so as to meet the requirements of positioning and clamping the workpiece and loading and unloading the workpiece, some workpieces may need to be clamped and fixed in multiple directions at the same time, and the workpiece needs to be returned preliminarily before being manually taken, the structure of the positioning and clamping mechanism is complex, for example, in the welding production of a vehicle bumper energy absorption box and the welding process of the energy absorption box, the energy absorption box needs to be positioned by the positioning and clamping mechanism before welding, the positioning mode is that a fixed supporting structure and a movable pin pulling mechanism are generally arranged below the energy absorption box, then two clamping mechanisms are arranged on two sides for positioning, welding seams are required to be welded on the periphery of the energy absorption box, the welding deformation is bad, the positioning mechanism needs to be made firm enough to ensure the welding precision, so that the mechanism is very complicated and huge, and the accessibility of a welding gun during welding is often influenced, and a few parts cannot be welded or the welding In addition, the bumper assembly is long-strip-shaped, the energy absorption boxes are arranged at two ends of the bumper assembly, the welding seams are intensively deformed and are large, a worker can take a workpiece difficultly after welding, the conventional solution is to process the workpiece by using a movable pin pulling mechanism below the energy absorption boxes, so that the positioning structure of the energy absorption boxes is very complicated and burdensome, the weight of a clamp is increased to have certain influence on the load and the service life of a positioner, and the positioning reliability of the clamping mechanisms at two sides is also negatively influenced, and the design space of the clamping mechanisms is smaller due to the fact that the clamping mechanisms occupy partial space, so that the positioning reliability and the strength grade of the clamping mechanisms are reduced.

Disclosure of Invention

The invention aims to provide a single-cylinder-driven double-pressure-head boosting clamping self-locking and belt jacking mechanism which is opened at the same time, so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a single-cylinder-driven double-pressure-head boosting clamping self-locking simultaneous opening belt jacking mechanism comprises a rotating shaft II, a first pressing arm, a second pressing arm, a first connecting plate and a second connecting plate, wherein the second connecting plate is located on one side of a whole device, the first pressing arm is arranged at one end of the two sides of the connecting plate, the second pressing arm is arranged at the other end of the second connecting plate on the same side as the first pressing arm, the first connecting plate is arranged at one end of the first pressing arm and the second pressing arm in the direction of a non-connecting plate, the first connecting plate, the second connecting plate and the second pressing arm are connected together in a penetrating mode through the rotating shaft II, the first connecting plate, the second connecting plate and the first pressing arm are connected together in a penetrating mode through.

First connecting rod one is installed through pivot one rotation to pressure arm one lower extreme, first connecting rod one other end is installed through pivot one rotation connecting rod two, second connecting rod one is installed through pivot one rotation to the two other ends of connecting rod, second connecting rod one other end is through pivot one and the rotatory installation of two lower extremes of pressure arm, two upper ends fixed mounting of pressure arm have the gasket, gasket upper end fixed mounting has briquetting two, a pressure arm upper end fixed mounting has the gasket, gasket upper end fixed mounting has briquetting one.

The utility model discloses a cavity, including cavity, cylinder mounting panel, connecting rod, H type stopper, lug, connecting rod, recess, H type stopper upper end, H type stopper lower extreme concave surface is gone into by the lug card on cylinder mounting panel top, fixed mounting has the wire contact bulb stopper on the cylinder mounting panel top surface.

The bottom of the cylinder mounting plate is fixedly provided with a cylinder through a bolt, the center of the cylinder mounting plate is provided with a hole groove, a cylinder rod of the cylinder penetrates through the hole groove, the top of the cylinder rod of the cylinder is provided with a threaded hole, the cylinder rod is fixedly connected with a second connecting rod through the threaded hole, the middle part of the upper end of the second connecting rod is fixedly provided with a third connecting block, one side of the top surface of the third connecting block is fixedly provided with a first jacking ball head, one side of the top surface of the third connecting block, which is opposite to the first jacking ball head, is fixedly provided with a second connecting block, one end of the top surface of the second connecting block is fixedly provided with a first supporting face pin, one side of the first supporting face pin is fixedly provided with a first ball head support, the other side of the first supporting face pin is fixedly provided with a second ball head support, one, the middle of the top surface of the first connecting block is fixedly provided with a second supporting surface pin, one side of the second supporting surface pin is fixedly provided with a third ball head support, and the other side of the second supporting surface pin is fixedly provided with a fourth ball head support.

The connecting plate is characterized in that an adjusting block is fixedly mounted at the top of the connecting plate, the side face of the adjusting block is fixedly connected with a connecting block II through a bolt and a bolt gasket, a support is fixedly mounted on one side face of the connecting plate, an L-shaped adjusting block is fixedly mounted on the side face of the bottom end of the support, a protection cover I is fixedly mounted on one side of the top end of the cavity, a protection cover II is fixedly mounted on the other side of the top end of the cavity, a protection cover III is fixedly mounted on the bottom end of one side.

The invention solves the problems that a clamping mechanism is huge and complicated, so that a welding gun cannot be welded at one time in a consistent manner and the local welding quality cannot be guaranteed in the welding production, adopts the integrated design idea of a bottom positioning mechanism of an energy absorption box and clamping mechanisms at two sides, designs all driving and transmission components of a clamping jaw below the energy absorption box, and respectively extends a very low and obliquely-advancing pressure head at two sides to clamp a workpiece, so that the minimum gun feeding channel in the welding production is occupied, enough welding space and welding gun posture adjustment possibility are reserved for the welding gun, the welding seams at the periphery of the energy absorption box can be welded at one time in a consistent manner, the postures cannot be clamped to guarantee the welding quality, the invention solves the problems that the pin pulling mechanism and the clamping mechanism are matched for use, the whole is huge and complicated, the mutual negative influence is caused, and the positioning reliability and the positioning strength grade are reduced, the energy absorption box bottom positioning mechanism and the two-side clamping mechanism are integrated, the jacking mode is used for replacing a conventional pin pulling mechanism to achieve the same function, the jacking mechanism and the two-side clamping mechanism are designed into a mechanism in an integrated mode, and a cylinder is used for driving two functional modules to work. Therefore, the occupied space of the mechanism is greatly saved, the energy absorption box can be independently positioned by a new independent and complete mechanism, all parts are optimally matched, the energy absorption box is not required to be matched with other mechanisms for positioning, and the condition that the energy absorption box is mutually influenced with other positioning mechanisms does not exist.

The invention adopts a square design, six surfaces can be used as mounting surfaces, the actual use is more flexible and changeable, the application range of the mechanism is enlarged, one-drive-multiple-drive design mode is adopted, the number of parts is greatly reduced, the manufacturing cost of the mechanism and the weight of equipment are reduced, and the occupied space is also greatly reduced, so that the requirements on parameters such as load, size and the like of peripheral supporting equipment are reduced, and the input cost of project equipment can be indirectly reduced at some time.

The design of the bottom positioning structure of the energy absorption box adopts six supporting points which can be independently adjusted as a lead D in a graph 8, two areas of a main positioning pin and an auxiliary positioning pin can be locally and integrally adjusted as a lead E in a graph 6, the whole mechanism can be integrally adjusted as a three-level adjustment form as a lead F in a graph 8, and six adjustments in the D are mainly used for ensuring that a reference is fixed in the production process after being adjusted on one surface, so that the phenomenon that different surfaces of the reference are required to be re-leveled for adjusting different objects when the welding precision is adjusted is avoided; two places in E are mainly used for adjusting the height of the mounting surface at the bottom of the energy absorption box when the welding precision is adjusted; and two positions shown in the F are mainly used for adjusting the relative positions of the two energy absorption boxes and the bumper body when the welding precision is adjusted. The adjustment function is clear and definite, mutual influence is hardly caused, the debugging difficulty is greatly reduced, the debugging efficiency is improved, and therefore the production efficiency and the project productivity can be indirectly improved.

The two-side clamping jaw transmission module adopts a transmission mode of a connecting rod dead point structure, as shown in a first pressing arm, a second pressing arm, a first connecting rod, a second connecting rod and a second connecting rod in figure 4, the clamping jaw clamping positioning is reliable, and meanwhile, the welding deformation resistance is good.

According to the invention, the H-shaped limiting block and the line contact type ball head limiting block are matched for use, as shown in the H-shaped limiting block and the line contact type ball head limiting block in fig. 4, the H-shaped limiting block can prevent the whole swinging of the clamping jaws at two sides from influencing the positioning reliability caused by the abrasion of wearing parts such as a bushing rotating shaft and the like and the unstable air pressure in the actual production process, the limiting is more stable and reliable by matching the line contact type ball head limiting block with the H-shaped limiting block, the phenomenon that the abrasion of the wearing parts is accelerated due to the uneven stress and the deformation of an air cylinder rod and the abrasion of a sealing ring are avoided, and the service life.

The invention adopts almost totally-enclosed clinging type protective covers, as shown in a protective cover I, a protective cover II, a protective cover III and a protective cover IV in figure 4, so that the phenomenon that welding slag splashes into the mechanism in the welding process to influence the service life and the positioning precision of the mechanism is fully avoided, and the appearance of the mechanism is more beautiful and harmonious.

Compared with the prior art, the invention has the beneficial effects that:

the invention solves the problems that a clamping mechanism is huge and complicated, welding guns cannot be welded at one time in a consistent way during welding production, and the local welding quality cannot be guaranteed, the problems that a pin pulling mechanism and the clamping mechanism are used in a matched way, the whole body is huge and complicated, the mutual negative influence is caused, and the positioning reliability and the positioning strength grade are reduced, the appearance adopts a square design, 6 surfaces can be used as mounting surfaces, the actual use is more flexible and changeable, the use range of the mechanism is enlarged, a design mode of driving multiple movements is adopted, the number of parts is greatly reduced, the manufacturing cost of the mechanism is reduced, the weight of equipment is reduced, the occupied space is also greatly reduced, the requirements on parameters such as the load and the size of peripheral corollary equipment are reduced, and the input cost of project equipment can be indirectly reduced at some times, the invention is changed from the matching use of a conventional multifunctional mechanism into the independent use of a multifunctional mechanism, the mechanism is more convenient to assemble, debug and maintain than a conventional mechanism, six supporting points are adopted to be independently adjustable, two areas of a main positioning pin and an auxiliary positioning pin are locally and integrally adjustable, the whole mechanism is integrally adjustable in a three-level adjustment mode, the adjustment function is clear and hardly influenced, the debugging difficulty is greatly reduced, the debugging efficiency is improved, the production efficiency and the project productivity can be indirectly improved, the two-side clamping jaw transmission module adopts a transmission mode of a connecting rod dead point structure, the clamping jaw clamping and positioning reliability is ensured, meanwhile, the welding deformation resistance is excellent, the H-shaped and line contact type ball head limiting blocks are matched for use, the positioning reliability caused by the integral swinging of the two-side clamping jaws due to the abrasion of wearing parts such as a lining rotating shaft and the like and the unstable air pressure in the actual production process can be avoided, the almost totally-closed clinging type protective cover is adopted, the phenomenon that welding slag splashes into the mechanism in the welding, and the appearance of the mechanism is more beautiful and harmonious.

Drawings

FIG. 1 is a schematic diagram of a prior art location clamping arrangement for a bumper crash box;

FIG. 2 is a schematic side view of a single cylinder driven double ram force-increasing clamping self-locking and simultaneous opening belt jacking mechanism and bumper energy absorption box in a positioning and clamping state;

FIG. 3 is a schematic view of a top view of a single cylinder driven double ram force-increasing clamping self-locking and simultaneous opening belt jacking mechanism and bumper energy-absorbing box in a positioning and clamping state;

FIG. 4 is a schematic diagram of an oblique view structure of a single-cylinder driven double-ram force-increasing clamping self-locking and simultaneous opening belt jacking mechanism according to the present invention;

FIG. 5 is a schematic structural view of a cross section of a single cylinder driven double ram force-increasing clamping self-locking and simultaneous opening belt jacking mechanism according to the present invention;

FIG. 6 is a schematic diagram showing the positional relationship between a workpiece and a mechanism in a state that a single cylinder drives a double-pressure head to perform reinforced clamping and self-locking and simultaneously opens a clamping jaw with a jacking mechanism to open the workpiece and jack the workpiece;

FIG. 7 is a schematic structural view of a single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism in an open state;

FIG. 8 is a schematic view of an adjusting structure of the single-cylinder driven double-ram force-increasing clamping self-locking and simultaneous opening belt jacking mechanism of the present invention.

1. Pressing a first block; 2. pressing a second block; 3. a gasket; 4. a first pressure arm; 5. a second press arm; 6. a first supporting surface pin; 7. a second supporting surface pin; 8. a first ball head support; 9. a second ball head support; 10. a third ball head support; 11. a fourth ball head support; 12. a first connecting block; 13. a second connecting block; 14. an adjusting block; 15. a first protective cover; 16. a second protective cover; 17. a third protective cover; 18. a fourth protective cover; 19. a first connecting plate; 20. a second connecting plate; 21. a support; 22. an L-shaped adjusting block; 23. jacking the ball head I; 24. a second jacking ball head; 25. connecting blocks III; 26a, a first connecting rod I; 26b, a first second connecting rod; 27. a second connecting rod; 28. a first rotating shaft; 29. a second rotating shaft; 30. an H-shaped limiting block; 31. a line contact ball head limiting block; 32. a cylinder mounting plate; 33. and a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in figures 1-8, the single-cylinder-driven double-pressure-head boosting clamping self-locking simultaneous opening belt jacking mechanism comprises a rotating shaft II 29, a pressing arm I4, a pressing arm II 5, a connecting plate I19 and a connecting plate II 20, wherein the connecting plate II 20 is located on one side of the whole device, one end of the side face of the connecting plate II 20 is provided with the pressing arm I4, the other end of the connecting plate II 20, which is on the same side as the pressing arm I4, is provided with the pressing arm II 5, one end of the pressing arm I4, which is not in the direction of the connecting plate II 20, is provided with the connecting plate I19, the connecting plate II 20 and the pressing arm II 5 are connected together in a penetrating mode through the rotating shaft II 29, the connecting plate I19, the connecting plate II 20 and the pressing arm I4.

First connecting rod 26a is rotatably installed at the lower end of first 4 pressing arms through first rotating shaft 28, second connecting rod 27 is rotatably installed at the other end of first connecting rod 26a through first rotating shaft 28, second connecting rod 26b is rotatably installed at the other end of second connecting rod 27 through first rotating shaft 28, the other end of second connecting rod 26b is rotatably installed at the lower end of second pressing arm 5 through first rotating shaft 28, gasket 3 is fixedly installed at the upper end of second pressing arm 5, pressing block two 2 is fixedly installed at the upper end of gasket 3, gasket 3 is fixedly installed at the upper end of first 4 pressing arms, and pressing block 1 is fixedly installed at the upper end of gasket 3.

Fixed mounting has cylinder mounting panel 32 bottom the cavity, the lug has been seted up on cylinder mounting panel 32 top, set up flutedly in two 27 bottoms of connecting rod, embedding installs the upper end of H type stopper 30 in the recess, the concave surface of the lower extreme of H type stopper is blocked by the lug on cylinder mounting panel 32 top, fixed mounting has line contact bulb stopper 31 on the cylinder mounting panel 32 top surface, there is cylinder 33 cylinder 32 bottom through bolt fixed mounting, cylinder mounting panel 32 central authorities have seted up the hole groove, the cylinder pole of cylinder 33 passes the hole groove, the screw hole has been seted up at cylinder pole top of cylinder 33, the cylinder pole passes through screw hole and two 27 fixed connection of connecting rod, two 27 upper ends middle part fixed mounting of connecting rod has three connecting block 25, three connecting block 25 top surface one side fixed mounting has first jacking bulb 23, three connecting block 25 top surface and the relative one side fixed mounting in first 23 directions.

One end of the top of the cavity is fixedly provided with a second connecting block 13, the middle part of the top surface of the second connecting block 13 is fixedly provided with a first supporting face pin 6, one side of the first supporting face pin 6 is fixedly provided with a first ball head support 8, the other side of the first supporting face pin 6 is fixedly provided with a second ball head support 9, one end of the top of the cavity in the direction of the second non-connecting block 13 is fixedly provided with a first connecting block 12, the middle part of the top surface of the first connecting block 12 is fixedly provided with a second supporting face pin 7, one side of the second supporting face pin 7 is fixedly provided with a third ball head support 10, the other side of the second supporting face pin 7 is fixedly provided with a fourth ball head support 11, the top of the first connecting plate 19 is fixedly provided with an adjusting block 14, the side of the adjusting block 14 is fixedly connected with the second connecting block 13 through a bolt and a bolt gasket, the side of the first connecting plate 19 is, the bottom end of one side of the cavity is fixedly provided with a third protective cover 17, and the bottom end of the other side of the cavity is fixedly provided with a fourth protective cover 18.

The invention solves the problems that a clamping mechanism is huge and complicated, so that a welding gun cannot be welded at one time in a consistent manner and the local welding quality cannot be guaranteed in the welding production, adopts the integrated design idea of a bottom positioning mechanism of an energy absorption box and clamping mechanisms at two sides, designs all driving and transmission components of a clamping jaw below the energy absorption box, and respectively extends a very low and obliquely-advancing pressure head at two sides to clamp a workpiece, so that the minimum gun feeding channel in the welding production is occupied, enough welding space and welding gun posture adjustment possibility are reserved for the welding gun, the welding seams at the periphery of the energy absorption box can be welded at one time in a consistent manner, the postures cannot be clamped to guarantee the welding quality, the invention solves the problems that the pin pulling mechanism and the clamping mechanism are matched for use, the whole is huge and complicated, the mutual negative influence is caused, and the positioning reliability and the positioning strength grade are reduced, adopt energy-absorbing box bottom positioning mechanism and both sides clamping mechanism integral type design, replace conventional pin pulling mechanism with the mode of jacking and realize same function, design into a mechanism with jacking mechanism and both sides clamping mechanism through integrated mode, come two function module of drive to work with a cylinder, the mechanism occupation space has greatly been saved like this, and itself is exactly that a new independent complete mechanism can fix a position the good energy-absorbing box alone, all be best cooperation between each spare part, also need not use with other mechanism cooperations and be used for fixing a position the energy-absorbing box, do not have the condition of influencing each other with other positioning mechanism.

The invention has the advantages that the appearance adopts a square design, 6 surfaces can be used as mounting surfaces, the actual use is more flexible and changeable, the application range of the mechanism is enlarged, the number of parts is greatly reduced by adopting a one-drive multi-drive design mode, the manufacturing cost of the mechanism and the weight of equipment are reduced, and the occupied space is also greatly reduced, so the requirements on parameters such as load, size and the like of peripheral matched equipment are reduced, and the input cost of project equipment can be indirectly reduced at some times.

The design of the positioning structure at the bottom of the energy absorption box adopts a three-stage adjustment form that six supporting points are independently adjustable as a lead D in a graph 8, two areas of a main positioning pin and an auxiliary positioning pin are locally and integrally adjustable as a lead E in a graph 8, the whole mechanism is integrally adjustable as a lead F in a graph 8, six adjustment positions in the D are mainly used for ensuring that a benchmark is not moved in the production process after being adjusted on one surface, the phenomenon that the benchmark is not leveled again for other objects when the welding precision is adjusted is avoided, two positions in the E are mainly used for adjusting the height of the mounting surface at the bottom of the energy absorption box when the welding precision is adjusted, two positions in the F are mainly used for adjusting the relative positions between two energy absorption boxes and a bumper body when the welding precision is adjusted, so that the adjustment functions are clear and hardly affect each other, the debugging difficulty is greatly reduced, and the debugging efficiency is improved, thereby indirectly improving the production efficiency and the project productivity.

The transmission mode of the two-side clamping jaw transmission module adopting the connecting rod dead point structure is shown as a first pressing arm 4, a second pressing arm 5, a first connecting rod 26a, a second connecting rod 26b and a second connecting rod 27 in figure 4, ensures the clamping and positioning of the clamping jaw to be reliable, has excellent welding deformation resistance, adopts the matching use of an H-shaped limiting block and a line contact type ball head limiting block, as shown in FIG. 4, the H-shaped limiting block 30 and the line contact ball head limiting block 31 are arranged, the H-shaped limiting block can avoid the influence on positioning reliability caused by abrasion of wearing parts such as a bushing rotating shaft and integral swinging of clamping jaws on two sides due to insufficient instability of air pressure in the actual production process, the line contact ball head limiting block is matched with the H-shaped limiting block to enable limiting to be more stable and reliable, the phenomenon that the air cylinder rod is deformed due to uneven stress and the abrasion of a sealing ring is reduced, the service life of the air cylinder is prolonged, and the phenomenon that the wearing parts are accelerated due to uneven stress can be avoided.

The invention adopts the almost totally-enclosed close-fitting type protective cover, as shown in a protective cover I15, a protective cover II 16, a protective cover III 17 and a protective cover IV 18 in figure 3, so that the phenomenon that welding slag splashes into the mechanism in the welding process to influence the service life and the positioning precision of the mechanism is fully avoided, and the appearance of the mechanism is more beautiful and harmonious.

The working principle of the invention is as follows:

the No. 7 bearing surface pin is a main positioning pin and is connected with the 10 and 11 ball head supports on the No. 12 connecting block to form a main positioning assembly, the No. 6 bearing surface pin is an auxiliary positioning pin and is connected with the 8 and 9 ball head supports on the No. 13 connecting block to form an auxiliary positioning assembly, wherein the main positioning assembly is designed and adjusted in the height direction only and is not designed and adjusted in the horizontal two directions, the auxiliary positioning assembly is designed and adjusted in the height direction and is also designed and adjusted in the direction vertical to the large surface of the No. 19 connecting plate, the direction vertical to the large surface of the No. 19 connecting plate is used for adjusting the position of the auxiliary positioning pin to match the main positioning pin to position a workpiece, the height direction adjustment of the main positioning assembly and the auxiliary positioning assembly is used for adjusting the height of the supporting surfaces of the two bearing surface pins and the height of the ball head supports to position a reference surface of the workpiece, the No. 1 pressing block is connected with the No, a left clamping jaw, a right clamping jaw and a No. 27 connecting rod are connected together by a No. 26 connecting rod to form a connecting rod dead point structure, a No. 33 cylinder drives the No. 27 connecting rod to move and transmit to the left clamping jaw and the right clamping jaw through the No. 26 connecting rod, so that the left clamping jaw and the right clamping jaw do rotary motion around a No. 29 rotating shaft, and the clamping jaw clamping and opening functions are realized, the dead point structure can be self-locked when the No. 26 connecting rod and the No. 27 connecting rod move to form a straight line, at the moment, the two clamping jaws are in a clamping state, a No. 30H-shaped limiting block and a No. 31 line contact ball head limiting block are matched to limit the left and back swinging of the No. 27 connecting rod, and the dead point structure is prevented from being self-locked when the No. 27 connecting rod moves downwards and passes through the head, No. 23 and No. 24 ball head supports and a No. 25 connecting block are connected together to form, 15. the four protective covers 16, 17 and 18 completely seal the exposed openings of the cavities formed by the connecting plates 19 and 20, and have excellent effects on preventing welding slag from splashing into the mechanism in the welding production process, damaging a transmission assembly to cause unsmooth movement of the mechanism, influencing the positioning precision and stability of the mechanism, even shortening the service life of the mechanism and an air cylinder, and the like.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a tight auto-lock of single cylinder drive two pressure heads reinforcement is opened simultaneously and is taken climbing mechanism which characterized in that: comprises a second rotating shaft (29), a first pressure arm (4), a second pressure arm (5), a first connecting plate (19) and a second connecting plate (20), the second connecting plate (20) is positioned at one side of the whole device, one end of the side surface of the second connecting plate (20) is provided with a first pressing arm (4), the other end of the connecting plate II (20) which is at the same side with the pressure arm I (4) is provided with a pressure arm II (5), one end of the first pressure arm (4) and one end of the second pressure arm (5) far away from the second connecting plate (20) are provided with a first connecting plate (19), the first connecting plate (19), the second connecting plate (20) and the second pressure arm (5) are connected together in a penetrating way through a second rotating shaft (29), the first connecting plate (19), the second connecting plate (20) and the first pressure arm (4) are connected together in a penetrating way through a second rotating shaft (29), the first connecting plate (19) and the second connecting plate (20) penetrate together to form a cavity.

2. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 1, which is characterized in that: first connecting rod (26a) is installed through pivot (28) rotation to pressure arm (4) lower extreme, first connecting rod (26a) other end is installed through pivot (28) rotation connecting rod two (27), connecting rod two (27) other end is installed through pivot (28) rotation second connecting rod (26b), second connecting rod (26b) other end is through pivot (28) and pressure arm two (5) lower extreme rotation installation, pressure arm two (5) upper end fixed mounting has gasket (3), gasket (3) upper end fixed mounting has briquetting two (2), pressure arm (4) upper end fixed mounting has gasket (3), gasket (3) upper end fixed mounting has briquetting (1).

3. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 2, wherein: fixed mounting has cylinder mounting panel (32) bottom the cavity, the lug has been seted up on cylinder mounting panel (32) top, the recess has been seted up to two (27) bottoms of connecting rod, embedded H type stopper (30) upper end of installing in the recess, H type stopper (30) lower extreme concave surface is gone into by the lug card on cylinder mounting panel (32) top, fixed mounting wire contact bulb stopper (31) on cylinder mounting panel (32) top surface.

4. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 3, wherein: the connecting rod II is characterized in that an air cylinder (33) is fixedly mounted at the bottom of the air cylinder mounting plate (32) through a bolt, a hole groove is formed in the center of the air cylinder mounting plate (32), an air cylinder rod of the air cylinder (33) penetrates through the hole groove, a threaded hole is formed in the top of the air cylinder rod of the air cylinder (33), and the air cylinder rod is fixedly connected with the connecting rod II (27) through the threaded hole.

5. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 2, wherein: connecting rod two (27) upper end middle part fixed mounting has connecting block three (25), connecting block three (25) top surface one side fixed mounting has jacking bulb one (23), connecting block three (25) top surface and the relative one side fixed mounting of jacking bulb one (23) direction have jacking bulb two (24).

6. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 1, which is characterized in that: fixed ann of cavity top one end changes has connecting block two (13), fixed ann changes in connecting block two (13) top surface middle part has and holds in the palm face round pin one (6), it has the bulb to support one (8) to hold in the palm fixed ann changes in face round pin one (6) one side, it has bulb support two (9) to hold in the palm face round pin one (6) opposite side fixed mounting, cavity top non-connecting block two (13) direction one end fixed mounting has connecting block one (12), connecting block one (12) top surface middle part fixed mounting has holds in the palm face round pin two (7), it has the bulb to support three (10) to hold in the palm face round pin two (7) one side fixed mounting, it has four (11) to support the bulb to hold in the palm face round pin two (7) opposite.

7. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 6, wherein: an adjusting block (14) is fixedly mounted at the top of the first connecting plate (19), and the side face of the adjusting block (14) is fixedly connected with the second connecting block (13) through a bolt and a bolt gasket.

8. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 1, which is characterized in that: a support (21) is fixedly installed on the side face of the first connecting plate (19), and an L-shaped adjusting block (22) is fixedly installed on the side face of the bottom end of the support (21).

9. The single-cylinder-driven double-ram boosting clamping self-locking simultaneous opening belt jacking mechanism of claim 1, which is characterized in that: cavity top one side fixed mounting has protection casing one (15), cavity top opposite side fixed mounting has protection casing two (16), cavity one side bottom fixed mounting has protection casing three (17), cavity opposite side bottom fixed mounting has protection casing four (18).

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