Synchronous clamping oil cylinder for turnout tamping machine

Abstract

The synchronous clamping oil cylinder for the turnout tamping machine comprises a vibration frame, one side of the top of the vibration frame is connected with a large oil cylinder body in a rotating mode, the other side of the top of the vibration frame is connected with a small oil cylinder body in a rotating mode, and piston rods are movably connected in the large oil cylinder body and the small oil cylinder body. A first notch is formed in the tail end of the piston rod, connecting rods are rotationally connected to the two sides of the vibration frame correspondingly, the top ends of the two connecting rods are rotationally connected with the first notch correspondingly, and pickaxe bodies are fixedly connected to the ends, away from the first notch, of the connecting rods. The utility model relates to the technical field of railway maintenance mechanical equipment and solves the technical problems that in the prior art, in the working process of a turnout tamping machine, the stress mode of a synchronous pull rod changes in a reciprocating mode, breakage or abrasion of a connecting position is prone to occurring, and when a gap is generated at the hinged position of the synchronous pull rod, amplitude of a tamping pickaxe is lost; and the working efficiency and the service life of the tamping machine are influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway road maintenance mechanical equipment technical field, concretely is a synchronous clamping oil cylinder for turnout rammer. BACKGROUND

[0002] Turnout rammer is important mechanical equipment in railway maintenance, is mainly used to solve the problem that stone slag is not compacted on the track, makes stone slag break and compact through ramming operation, thereby improves the stability and safety of track, and turnout rammer often adopts ordinary oil cylinder and synchronous pull rod structure form to control the clamping movement of ramming pick, in prior art, synchronous pull rod stress mode reciprocating changes in the working process of turnout rammer, is easy to break or wear and tear occurs at the connecting position, when the hinged position of synchronous pull rod produces gap, will cause ramming pick amplitude loss, influences the working efficiency and service life of rammer. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a synchronous clamping oil cylinder for turnout rammer, solves the problem that synchronous pull rod stress mode reciprocating changes in the working process of turnout rammer in prior art, is easy to break or wear and tear occurs at the connecting position, when the hinged position of synchronous pull rod produces gap, will cause ramming pick amplitude loss, influences the working efficiency and service life of rammer.

[0004] To realize above-mentioned purpose, the utility model is realized through following technical scheme: a synchronous clamping oil cylinder for turnout rammer, including vibration frame, the top one side of vibration frame is rotatably connected with big oil cylinder body, the top other side of vibration frame is rotatably connected with small oil cylinder body, the inside of big oil cylinder body and small oil cylinder body is movably connected with piston rod, the tail end of piston rod is provided with first slot, the both sides of vibration frame are rotatably connected with connecting rod, the top of two connecting rods is rotatably connected with first slot respectively, the end of connecting rod away from first slot is fixedly connected with pick body, the outer wall of one end of big oil cylinder body away from small oil cylinder body is provided with oil inlet, the outer wall of one end of big oil cylinder body close to small oil cylinder body is provided with first oil guide, the outer wall of one end of small oil cylinder body close to big oil cylinder body is provided with second oil guide, the second oil guide is linked with first oil guide, the outer wall of one end of small oil cylinder body away from big oil cylinder body is provided with oil outlet.

[0005] Preferably, the one end of big oil cylinder body away from first slot is provided with second slot, the one end of small oil cylinder body away from first slot is provided with boss, and the second slot and boss are rotatably connected with vibration frame through pin shaft.

[0006] Preferably, the large oil cylinder body and the small oil cylinder body are respectively provided with an oil cylinder guide sleeve near one end of the first slot, the oil cylinder guide sleeve is movably connected with the piston rod, the piston rod is provided with a piston at an end away from the first slot, the two pistons are movably connected with the large oil cylinder body and the small oil cylinder body respectively, the piston rod is provided with an oil cylinder compensation valve at an end away from the first slot, and the piston and the oil cylinder compensation valve are fixedly connected with the piston rod through a fixing nut.

[0007] Preferably, the large oil cylinder body and the small oil cylinder body are respectively provided with an oil cylinder guide sleeve near one end of the first slot, the oil cylinder guide sleeve is movably connected with the piston rod, the piston rod is provided with a piston at an end away from the first slot, the two pistons are movably connected with the large oil cylinder body and the small oil cylinder body respectively, the piston rod is provided with an oil cylinder compensation valve at an end away from the first slot, and the piston and the oil cylinder compensation valve are fixedly connected with the piston rod through a fixing nut.

[0008] Preferably, the large oil cylinder body and the small oil cylinder body are respectively provided with an oil cylinder guide sleeve near one end of the first slot, the oil cylinder guide sleeve is movably connected with the piston rod, the piston rod is provided with a piston at an end away from the first slot, the two pistons are movably connected with the large oil cylinder body and the small oil cylinder body respectively, the piston rod is provided with an oil cylinder compensation valve at an end away from the first slot, and the piston and the oil cylinder compensation valve are fixedly connected with the piston rod through a fixing nut.

[0009] The utility model provides a synchronous clamping oil cylinder for turnout rammer, has the following beneficial effect: the synchronous clamping oil cylinder for turnout rammer, through the cooperation between vibration frame, big oil cylinder body, small oil cylinder body, piston rod, first slot, connecting rod, pick body, oil inlet, first oil guide, second oil guide and oil outlet, through installing and fixing two oil cylinders on both sides of vibration frame top, adopt the form of series connection installation and connect with hydraulic system, can guarantee the synchronous telescopic movement of piston rod of two oil cylinders, and then control the clamping operation etc.

[0010] Through the cooperation between vibration frame, big oil cylinder body, small oil cylinder body, second slot, boss and pin shaft, the boss of small oil cylinder body is clamped into the second slot of big oil cylinder body, and two oil cylinders are connected and fixed on the top of vibration frame through pin shaft, when the piston rod of two oil cylinders reciprocates, two oil cylinders rotate synchronously around pin shaft, can make the included angle between two oil cylinders and vibration frame always keep consistent, then guarantee the synchronous movement of pick body, improve the stability of clamping operation etc. ACCREDITED DRAWINGS

[0011] Figure 1 It is the structure schematic diagram of the utility model;

[0012] Figure 2 It is the structure schematic diagram of big oil cylinder body, small oil cylinder body and piston in the utility model;

[0013] Figure 3 It is the appearance schematic view of the large oil cylinder body, the piston rod and the second slot in the utility model;

[0014] Figure 4 It is the appearance schematic view of the small oil cylinder body, the piston rod and the second oil guide in the utility model.

[0015] In the drawing: 1, vibration frame; 2, large oil cylinder body; 3, small oil cylinder body; 4, piston rod; 5, first slot; 6, connecting rod; 7, pick body; 8, oil inlet; 9, first oil guide; 10, second oil guide; 11, oil outlet; 12, second slot; 13, boss; 14, pin shaft; 15, oil cylinder guide sleeve; 16, piston; 17, oil cylinder compensation valve; 18, fixed nut; 19, locking nut; 20, back nut. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] In the prior art, during the working process of the turnout tamping machine, the synchronous pull rod changes reciprocatingly in stress mode, and is prone to breakage or wear at the connection position. When a gap is generated at the hinged position of the synchronous pull rod, the tamping pick amplitude is lost, affecting the working efficiency and service life of the tamping machine.

[0018] Therefore, the utility model provides a synchronous clamping oil cylinder for a turnout tamping machine, which is installed and fixed on both sides of the top of the vibration frame by cooperation between the vibration frame, the large oil cylinder body, the small oil cylinder body, the piston rod, the first slot, the connecting rod, the pick body, the oil inlet, the first oil guide, the second oil guide and the oil outlet, is connected with the hydraulic system in a series connection mode, ensures the synchronous extension and retraction of the piston rods of the two oil cylinders, controls the clamping operation of the tamping pick, avoids uneven stress on the two connecting rods, reduces the wear at the connection between the connecting rod and the vibration frame, prevents the loss of the tamping pick amplitude, improves the working efficiency and service life of the tamping machine, and simplifies the structure at the bottom of the tamping machine, facilitating the maintenance and installation of the tamping machine.

[0019] Through the person skilled in the art, all electrical components in the case are connected to the power supply through the wire, and the appropriate controller and encoder should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working principle of the following working principle, the working order of each electrical component is completed, and the detailed connection means is the prior art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0020] By Figures 1-4 It can be known that a synchronous clamping oil cylinder for a turnout tamping machine comprises a vibration frame 1, the vibration frame 1 is a frame structure at the bottom of the turnout tamping machine, a large oil cylinder body 2 is rotatably connected to one side of the top of the vibration frame 1, a small oil cylinder body 3 is rotatably connected to the other side of the top of the vibration frame 1, a piston rod 4 is movably connected in the large oil cylinder body 2 and the small oil cylinder body 3, a first notch 5 is arranged at the end of the piston rod 4, a connecting rod 6 is rotatably connected to the two sides of the vibration frame 1, the top of each of the two connecting rods 6 is rotatably connected to the first notch 5, a pick body 7 is fixedly connected to the end of the connecting rod 6 away from the first notch 5, an oil inlet 8 is arranged on the outer wall of the end of the large oil cylinder body 2 away from the small oil cylinder body 3, a first oil guide 9 is arranged on the outer wall of the end of the large oil cylinder body 2 close to the small oil cylinder body 3, a second oil guide 10 is arranged on the outer wall of the end of the small oil cylinder body 3 close to the large oil cylinder body 2, the second oil guide 10 is in communication with the first oil guide 9, and an oil outlet 11 is arranged on the outer wall of the end of the small oil cylinder body 3 away from the large oil cylinder body 2.

[0021] In the implementation process, it is particularly worth pointing out that the vibration frame 1 is the frame structure of the bottom of the turnout tamping machine, through the cooperation between the vibration frame 1, the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the first notch 5, the connecting rod 6 and the pick body 7, the installation and fixation of the pick body 7 on both sides of the bottom of the vibration frame 1 are realized, through the extension and contraction of the oil cylinder piston rod 4, the connecting rod 6 and the pick body 7 are driven to rotate, the clamping and compacting operations of the tamping machine pick body 7 are realized, through the cooperation between the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the oil inlet 8, the first oil guide 9, the second oil guide 10 and the oil outlet 11, the oil inlet 8 is connected with the oil inlet pipe of the hydraulic system in communication, the first oil guide 9 and the second oil guide 10 are connected in series through the high-pressure oil pipe, the oil outlet 11 is connected with the oil return pipe of the hydraulic system in communication, the series installation of the large oil cylinder and the small oil cylinder is realized, and the area of the rod cavity in the large oil cylinder body 2 is equal to the area of the rod cavity in the small oil cylinder body 3, which ensures the synchronous extension and contraction movement of the piston rod 4 of the two oil cylinders, through the cooperation between the vibration frame 1, the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the first notch 5, the connecting rod 6, the pick body 7, the oil inlet 8, the first oil guide 9, the second oil guide 10 and the oil outlet 11, the two oil cylinders are installed and fixed on both sides of the top of the vibration frame 1, connected with the hydraulic system in series, which ensures the synchronous extension and contraction movement of the piston rod 4 of the two oil cylinders, and further controls the clamping and compacting operations of the tamping pick, avoids the uneven stress phenomenon of the two connecting rods 6, reduces the wear of the connecting rod 6 and the vibration frame 1, prevents the loss of the amplitude of the tamping pick, improves the working efficiency and service life of the tamping machine, and simplifies the structure of the bottom of the tamping machine, which is convenient for the maintenance and installation of the tamping machine;

[0022] Further, the second notch 12 is arranged at the end of the large oil cylinder body 2 away from the first notch 5, and the boss 13 is arranged at the end of the small oil cylinder body 3 away from the first notch 5, and the second notch 12 and the boss 13 are rotatably connected with the vibration frame 1 through the pin shaft 14;

[0023] In the implementation process, it is particularly worth pointing out that through the cooperation between the vibration frame 1, the large oil cylinder body 2, the small oil cylinder body 3, the second notch 12, the boss 13 and the pin shaft 14, the boss 13 of the small oil cylinder body 3 is clamped into the second notch 12 of the large oil cylinder body 2, and the two oil cylinders are connected and fixed on the top of the vibration frame 1 through the pin shaft 14, so that when the piston rod 4 of the two oil cylinders reciprocates, the two oil cylinders rotate synchronously around the pin shaft 14, the included angle between the two oil cylinders and the vibration frame 1 is always consistent, which further ensures the synchronous movement of the pick body 7 and the stability of the amplitude of the tamping pick;

[0024] Further, the large oil cylinder body 2 and the small oil cylinder body 3 are respectively provided with an oil cylinder guide sleeve 15 near one end of the first slot 5, the oil cylinder guide sleeve 15 is movably connected with the piston rod 4, the piston rod 4 is provided with a piston 16 away from one end of the first slot 5, the two pistons 16 are movably connected with the large oil cylinder body 2 and the small oil cylinder body 3 respectively, the piston rod 4 is provided with an oil cylinder compensation valve 17 away from one end of the first slot 5, and the piston 16 and the oil cylinder compensation valve 17 are fixedly connected with the piston rod 4 through a fixed nut 18;

[0025] In the specific implementation process, it is particularly worth pointing out that the main structure of the two oil cylinders is composed through the cooperation between the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the oil cylinder guide sleeve 15, the piston 16 and the oil cylinder compensation valve 17, the piston 16 moves in the cylinder body through the delivery of hydraulic oil, and then drives the piston rod 4 to stretch and retract, wherein the piston rod 4 is provided with a sealing rubber ring, cooperates with the gap of the inner wall of the oil cylinder, adopts an O-shaped sealing ring for sealing, and the area of the rod cavity in the large oil cylinder is equal to the area of the rod cavity in the small oil cylinder, so as to ensure the synchronization of the two piston rods 4 during stretching and retracting movement.

[0026] Further, the large oil cylinder body 2 and the small oil cylinder body 3 are respectively provided with an oil cylinder guide sleeve 15 near one end of the first slot 5, the oil cylinder guide sleeve 15 is movably connected with the piston rod 4, the piston rod 4 is provided with a piston 16 away from one end of the first slot 5, the two pistons 16 are movably connected with the large oil cylinder body 2 and the small oil cylinder body 3 respectively, the piston rod 4 is provided with an oil cylinder compensation valve 17 away from one end of the first slot 5, and the piston 16 and the oil cylinder compensation valve 17 are fixedly connected with the piston rod 4 through a fixed nut 18;

[0027] In the specific implementation process, it is particularly worth pointing out that the main structure of the two oil cylinders is composed through the cooperation between the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the oil cylinder guide sleeve 15, the piston 16 and the oil cylinder compensation valve 17, the piston 16 moves in the cylinder body through the delivery of hydraulic oil, and then drives the piston rod 4 to stretch and retract, wherein the piston rod 4 is provided with a sealing rubber ring, cooperates with the gap of the inner wall of the oil cylinder, adopts an O-shaped sealing ring for sealing, and the area of the rod cavity in the large oil cylinder is equal to the area of the rod cavity in the small oil cylinder, so as to ensure the synchronization of the two piston rods 4 during stretching and retracting movement.

[0028] Further, the large oil cylinder body 2 and the small oil cylinder body 3 are respectively provided with an oil cylinder guide sleeve 15 near one end of the first slot 5, the oil cylinder guide sleeve 15 is movably connected with the piston rod 4, the piston rod 4 is provided with a piston 16 away from one end of the first slot 5, the two pistons 16 are movably connected with the large oil cylinder body 2 and the small oil cylinder body 3 respectively, the piston rod 4 is provided with an oil cylinder compensation valve 17 away from one end of the first slot 5, and the piston 16 and the oil cylinder compensation valve 17 are fixedly connected with the piston rod 4 through a fixed nut 18;

[0029] In the specific implementation process, it is particularly worth pointing out that the main structure of the two oil cylinders is composed through the cooperation between the large oil cylinder body 2, the small oil cylinder body 3, the piston rod 4, the oil cylinder guide sleeve 15, the piston 16 and the oil cylinder compensation valve 17, the piston 16 moves in the cylinder body through the delivery of hydraulic oil, and then drives the piston rod 4 to stretch and retract, wherein the piston rod 4 is provided with a sealing rubber ring, cooperates with the gap of the inner wall of the oil cylinder, adopts an O-shaped sealing ring for sealing, and the area of the rod cavity in the large oil cylinder is equal to the area of the rod cavity in the small oil cylinder, so as to ensure the synchronization of the two piston rods 4 during stretching and retracting movement.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connecting" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above terms in the present application can be understood according to the specific meaning of the above terms by the person skilled in the art according to the specific circumstances.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A synchronous tamping oil cylinder for a turnout tamping machine, comprising a vibrating frame (1), characterized in that: The top side of the vibrating frame (1) is rotatably connected with a large oil cylinder body (2), the other side of the top of the vibrating frame (1) is rotatably connected with a small oil cylinder body (3), the inside of the large oil cylinder body (2) and the small oil cylinder body (3) is movably connected with a piston rod (4), the end of the piston rod (4) is provided with a first notch (5), both sides of the vibrating frame (1) are rotatably connected with a connecting rod (6), the top of the two connecting rods (6) is rotatably connected with the first notch (5) respectively, the end of the connecting rod (6) away from the first notch (5) is fixedly connected with a pick body (7), the end of the large oil cylinder body (2) away from the small oil cylinder body (3) is provided with an oil inlet (8), the end of the large oil cylinder body (2) close to the small oil cylinder body (3) is provided with a first oil guide (9), the end of the small oil cylinder body (3) close to the large oil cylinder body (2) is provided with a second oil guide (10), the second oil guide (10) is communicated with the first oil guide (9), the end of the small oil cylinder body (3) away from the large oil cylinder body (2) is provided with an oil outlet (11).

2. The synchronous tamping oil cylinder for a turnout tamping machine according to claim 1, characterized in that: The end of the large oil cylinder body (2) away from the first notch (5) is provided with a second notch (12), the end of the small oil cylinder body (3) away from the first notch (5) is provided with a boss (13), the second notch (12) and the boss (13) are rotatably connected with the vibrating frame (1) through a pin shaft (14).

3. The synchronization clamping oil cylinder for a turnout tamping machine according to claim 1, characterized in that: The end of the large oil cylinder body (2) and the small oil cylinder body (3) close to the first notch (5) is respectively provided with an oil cylinder guide sleeve (15), the oil cylinder guide sleeve (15) is movably connected with the piston rod (4), the end of the piston rod (4) away from the first notch (5) is provided with a piston (16), the two pistons (16) are movably connected with the large oil cylinder body (2) and the small oil cylinder body (3) respectively, the end of the piston rod (4) away from the first notch (5) is provided with an oil cylinder compensation valve (17), the piston (16) and the oil cylinder compensation valve (17) are fixedly connected with the piston rod (4) through a fixed nut (18).

4. The synchronization clamping oil cylinder for a turnout tamping machine according to claim 1, characterized in that: The end of the large oil cylinder body (2) and the small oil cylinder body (3) close to the first notch (5) is respectively provided with an oil cylinder guide sleeve (15), the oil cylinder guide sleeve (15) is movably connected with the piston rod (4), the end of the piston rod (4) away from the first notch (5) is provided with a piston (16), the two pistons (16) are movably connected with the large oil cylinder body (2) and the small oil cylinder body (3) respectively, the end of the piston rod (4) away from the first notch (5) is provided with an oil cylinder compensation valve (17), the piston (16) and the oil cylinder compensation valve (17) are fixedly connected with the piston rod (4) through a fixed nut (18).

5. The synchronization compacting oil cylinder of a turnout tamper machine according to claim 4, characterized in that: The end of the large oil cylinder body (2) and the small oil cylinder body (3) close to the first notch (5) is respectively provided with an oil cylinder guide sleeve (15), the oil cylinder guide sleeve (15) is movably connected with the piston rod (4), the end of the piston rod (4) away from the first notch (5) is provided with a piston (16), the two pistons (16) are movably connected with the large oil cylinder body (2) and the small oil cylinder body (3) respectively, the end of the piston rod (4) away from the first notch (5) is provided with an oil cylinder compensation valve (17), the piston (16) and the oil cylinder compensation valve (17) are fixedly connected with the piston rod (4) through a fixed nut (18). The end of the large oil cylinder body (2) and the small oil cylinder body (3) close to the first notch (5) is respectively provided with an oil cylinder guide sleeve (15), the oil cylinder guide sleeve (15) is movably connected with the piston rod (4), the end of the piston rod (4) away from the first notch (5) is provided with a piston (16), the two pistons (16) are movably connected with the large oil cylinder body (2) and the small oil cylinder body (3) respectively, the end of the piston rod (4) away from the first notch (5) is provided with an oil cylinder compensation valve (17), the piston (16) and the oil cylinder compensation valve (17) are fixedly connected with the piston rod (4) through a fixed nut (18).

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