CN211052423U

CN211052423U - Manual hydraulic rivet pulling device

Info

Publication number: CN211052423U
Application number: CN201921679802.4U
Authority: CN
Inventors: 于勇; 黄桂宏
Original assignee: Shanghai Woheng Machinery Equipment Co ltd
Current assignee: Shanghai Woheng Machinery Equipment Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-21
Anticipated expiration: 2029-10-09

Abstract

The embodiment of the utility model discloses manual hydraulic pressure rivet device, including hydro-cylinder, manual hydraulic pump and supporting seat, the inside of hydro-cylinder is formed with the displacement passageway, has the instrument interface that is used for external calibration plunger at the middle part integrated into one piece of hydro-cylinder up end, and manual hydraulic pump is installed and is used for connecting hydraulic pump high pressure fuel pipe at the bottom face of hydro-cylinder, the inside of hydro-cylinder is equipped with the piston rod that is used for following the reciprocal displacement of displacement passageway, makes the piston rod in one side motion of instrument interface, and the supporting seat setting is in the top of instrument interface to the rigid coupling is on the tip that the hydro-cylinder was stretched out to the piston rod for the contact support is on the rail wall, the locating hole that supplies the calibration plunger to install. The utility model discloses utilize rechargeable hydraulic pump and the integrative setting of hydro-cylinder, can prevent that the dust from getting into hydraulic system to accomplish the rivet based on the hydraulic pressure principle, it need not manually, and the operating force is little, and personnel low in labor strength, weak point consuming time effectively improves rivet efficiency.

Description

Manual hydraulic rivet pulling device

Technical Field

The embodiment of the utility model provides a relate to mechanical equipment technical field, concretely relates to manual hydraulic pressure rivet device.

Background

The rivet is a riveting method for riveting a riveting piece by using manual or compressed air as power and deforming a special rivet through a special tool, belongs to cold riveting, is widely applied to equipment which is not easy to weld, thin plates, thin pipes and other products, and replaces the traditional welding processing mode within a certain range.

Be applied to rail return line or signal line installation in the market, mostly manual mechanical type rivet machine, the operating force is big, and personnel intensity of labour is high, and is long consuming time, leads to the clamping part fragile.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a manual hydraulic pressure rivet device to it is big to solve among the prior art manual mechanical type rivet machine operating force, and personnel intensity of labour is high, problem long consuming time.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the first aspect of the embodiment of the present invention, a manual hydraulic rivet device comprises an oil cylinder, a manual hydraulic pump and a support seat, wherein a displacement channel is formed inside the oil cylinder, a tool interface for externally connecting a calibration plunger is integrally formed at the middle part of the upper end surface of the oil cylinder, an oil inlet communicated to the displacement channel is formed on the bottom end surface of the oil cylinder, a piston rod for reciprocating displacement along the displacement channel is arranged inside the oil cylinder, an adjusting port for extending the piston rod is formed on the upper end surface of the oil cylinder, the piston rod is arranged at one side of the tool interface, the manual hydraulic pump and the oil cylinder are connected through an oil pipe to form an integral structure for hydraulically driving the piston rod to move up and down along the displacement channel, the support seat is arranged above the tool interface and fixedly connected to the end part of the piston rod extending out of the oil cylinder for contact support on a rail, the middle part of the supporting seat is provided with a positioning hole for installing the calibration plunger on the tool interface.

Furthermore, a pushing plate which is arranged in the displacement channel in a matched mode is fixedly connected to the end portion, arranged in the oil cylinder, of the piston rod, the displacement channel is divided into an oil chamber and a reset chamber which are not communicated through the pushing plate, the oil chamber is communicated with the oil inlet, and the reset chamber is communicated with the adjusting port.

Furthermore, a Y-shaped sealing ring is assembled between the push plate and the cylinder wall of the oil cylinder and used for sealing the push plate and the cylinder wall of the oil cylinder.

Furthermore, a return spring sleeved on the piston rod is arranged in the return chamber, one end of the return spring is in contact with the upper side surface of the push plate, and the other end of the return spring is in contact with the top inner wall of the displacement channel.

Further, the rigid coupling has first transition joint on the oil drain port of manual hydraulic pump, the rigid coupling has the second transition joint on the oil inlet of hydro-cylinder, oil pipe's one end rigid coupling is in the pipe connector of first transition joint, and the other end rigid coupling is in the pipe connector of second transition joint to the protective sheath has been cup jointed respectively on oil pipe's both ends.

Further, the oil cylinder comprises an oil cylinder seat and a cylinder body arranged above the oil cylinder seat, the cylinder body is of a cylindrical structure with an open bottom surface, a threaded connector is integrally formed at a bottom end opening of the cylinder body, the outer diameter of the threaded connector is smaller than that of the cylinder body, the oil cylinder seat is of a cover-shaped structure with an open top surface, the oil cylinder seat is combined on the threaded connector of the cylinder body through threaded connection, an O-shaped sealing ring is arranged between the inner wall of the oil cylinder seat and the outer wall of the threaded connector, the O-shaped sealing ring is fixedly connected to the inner wall of the oil cylinder seat and used for sealing after the oil cylinder seat and the cylinder body are combined, the oil inlet is formed in the bottom surface of the oil cylinder seat, and the adjusting opening is formed in the top surface of the cylinder body.

Furthermore, the number of the piston rods is two, the two piston rods are respectively arranged on two sides of the tool interface, the supporting seat is fixed on the end portion of the piston rod through a fastening screw, and the tool interface is in threaded connection with the calibration plunger.

The embodiment of the utility model provides a have following advantage: the riveting device comprises an oil cylinder, a manual hydraulic pump and a support seat combined pull riveting device, wherein the manual hydraulic pump and the oil cylinder are directly connected through an oil pipe, oil is injected into the oil cylinder by the manual hydraulic pump, a piston rod is driven to do reciprocating linear motion along a displacement channel, through the integrated design of the manual hydraulic pump and the oil cylinder, external sand stones or dust are prevented from entering a hydraulic system and damaging the oil cylinder, a tool interface is arranged on the oil cylinder, the piston rod is arranged on one side of the tool interface, the end part of the piston rod extending out of the oil cylinder is fixedly connected with the support seat for contacting and supporting on a rail wall, when the riveting device is used, the support seat is only required to be supported at a to-be-machined hole on the rail wall, a calibration plunger is clamped by the tool interface clamp, the hydraulic pump is started, the piston rod extends out of the oil cylinder, and under the fixation of the support seat, the oil cylinder can, thereby pull calibration plunger and pass the sleeve pipe on the processing hole from the opposite side of rail wall, make the sleeve pipe fix on waiting to process the hole through calibration plunger's extrusion, accomplish the rivet, it need not manually, and the operating force is little, personnel low in labor strength, and weak point consuming time effectively improves rivet efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of an overall structure of a manual hydraulic rivet pulling device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an oil cylinder of the manual hydraulic rivet pulling device provided by the embodiment of the utility model.

In the figure: 1. an oil cylinder; 11. an oil inlet; 12. an oil chamber; 13. a reset chamber; 14. a cylinder block; 141. an O-shaped sealing ring; 15. a cylinder body; 2. a manual hydraulic pump; 21. an oil pipe; 211. a protective sleeve; 3. a supporting seat; 31. positioning holes; 4. a tool interface; 5. a piston rod; 51. a push plate; 6. a Y-shaped seal ring; 7. a return spring; 8. a first transition joint; 9. a second transition joint.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in FIG. 1, the embodiment of the utility model provides a manual hydraulic rivet device, including hydro-cylinder 1, manual hydraulic pump 2 and supporting seat 3. The oil cylinder 1 comprises an oil cylinder seat 14 and a cylinder body 15 arranged above the oil cylinder seat 14, wherein the cylinder body 15 is of a cylindrical structure with an open bottom surface, a threaded interface is integrally formed at a bottom end opening of the cylinder body 15, the outer diameter of the threaded interface is smaller than that of the cylinder body 15, the oil cylinder seat 14 is of a cover-shaped structure with an open top surface, the oil cylinder seat 14 is screwed on the threaded interface of the cylinder body 15 through threaded connection, an O-shaped sealing ring 141 is further arranged between the inner wall of the oil cylinder seat 14 and the outer wall of the threaded interface, and the O-shaped sealing ring 141 is fixedly connected on the inner wall of the oil cylinder seat 14 and is mainly used for sealing the connection part of the oil cylinder seat 14 and the cylinder body 15. A tool interface 4 for externally connecting a calibration plunger is integrally formed in the middle of the upper end face of the oil cylinder 1, so that the tool interface 4 moves along with the movement of the oil cylinder 1, the tool interface 4 is in threaded connection with the calibration plunger, and the calibration plunger can be screwed into the tool interface 4 to be fixed.

As mentioned above, a displacement channel is formed inside the oil cylinder 1, and an oil inlet 11 communicated to the displacement channel is formed on the bottom end surface of the oil cylinder 1, in detail, the oil inlet 11 is disposed on the bottom surface of the oil cylinder seat 14, the manual hydraulic pump 2 and the oil cylinder 1 are connected into an integrated structure through the oil pipe 21 for injecting oil into the oil cylinder 1 along the oil pipe 21 to prevent external sand or dust from entering into the hydraulic system and causing damage to the oil cylinder, specifically, a first transition joint 8 is fixedly connected to the oil discharge port of the manual hydraulic pump 2, a second transition joint 9 is fixedly connected to the oil inlet 11 of the oil cylinder 1, one end of the oil pipe 21 is fixedly connected to the pipe joint of the first transition joint 8, the other end of the oil pipe 21 is fixedly connected to the pipe joint of the second transition joint 9, so that the manual hydraulic pump 2 is integrally connected to the oil cylinder 1, and protective sleeves 211 are respectively sleeved on the two end portions of the oil pipe 21, on the one hand, the oil pipe joint can be protected from being damaged, and on the other hand, external sand or dust can be further prevented from entering a hydraulic system. A piston rod 5 for reciprocating displacement along the displacement channel is arranged in the oil cylinder 1, an adjusting opening for extending the piston rod 5 is formed in the upper end face of the oil cylinder 1, and in detail, the adjusting opening is formed in the top face of the cylinder body 15. The piston rod 5 is arranged on one side of the tool interface 4 and used for forming displacement on one side of the tool interface 4, a push plate 51 which is arranged in a displacement channel in a matched mode is fixedly connected to the end portion, arranged in the oil cylinder 1, of the piston rod 5, the push plate 51 divides the displacement channel into an oil chamber 12 and a reset chamber 13 which are not communicated, the oil chamber 12 is communicated with the oil inlet 11 and used for injecting oil to form hydraulic pressure, the push plate 51 is driven to move linearly along the displacement channel, the reset chamber 13 is communicated with the adjusting port, a reset spring 7 which is sleeved on the piston rod 5 is arranged in the reset chamber 13, one end of the reset spring 7 is in contact with the upper side face of the push plate 51, the other end of the reset spring is in contact with the top inner wall of the displacement channel, and after pressure of an oil pump is. A Y-shaped sealing ring 6 is also arranged between the push plate 51 and the cylinder wall of the oil cylinder 1 for sealing the push plate 51 and the cylinder wall of the oil cylinder 1.

The supporting seat 3 is disposed above the tool interface 4 and fixedly connected to the end of the piston rod 5 extending out of the oil cylinder 1 for contacting and supporting on the rail wall, specifically, the supporting seat 3 is fixed to the end of the piston rod 5 by a fastening screw, and a positioning hole 31 for installing the calibration plunger on the tool interface 4 is disposed in the middle of the supporting seat 3. The piston rods 5 are preferably arranged in two numbers, the two piston rods 5 are respectively arranged on two sides of the tool interface 4, and the end parts of the two piston rods 5 extending out of the oil cylinder 1 are fixedly connected to the supporting seat 3, so that the stability of the structure is ensured.

The rivet pulling device of the embodiment has the following specific operation process:

1. drilling the rail net, and if the holes are drilled, polishing the holes by using a proper countersink drill;

2. the size of the hole is checked by a 'GO/NO GO' measurer, the size of the hole is correct only when the green part enters the hole, and if the red part also enters, the hole is too large;

3. placing the sleeve into the hole of the iron rail;

4. inserting a calibration plunger into the copper sleeve from the flanged side of the sleeve;

5. the supporting seat 3 is supported on the rail net on the side without the flange of the sleeve, and the calibrating plunger is arranged on the rail net by using an inner groove on the measuring device and is screwed into the tool interface 4;

6. the hydraulic pump is operated to supply oil to the oil cylinder 1, the piston rod 5 extends out of the oil cylinder 1, the oil cylinder 1 drives the tool interface 4 to automatically move towards the direction far away from the rail net under the fixation of the supporting seat 3, the calibration plunger is pulled to penetrate through the sleeve, the sleeve is extruded to the hole, and the side part of the sleeve without the flange is also extruded to the rail net to form fixation.

7. The manual hydraulic pump 2 is operated to release the pressure, and the piston rod 5 is retracted.

The embodiment of the utility model utilizes the hydraulic principle, the rivet pulling device with the combination of the oil cylinder 1, the manual hydraulic pump 2 and the supporting seat 3 is arranged, the manual hydraulic pump 2 and the oil cylinder 1 are directly connected through the oil pipe 21, the oil is injected into the oil cylinder 1 by the manual hydraulic pump 2, and the piston rod 5 is driven to do reciprocating linear motion along the displacement channel, through the integral design of the manual hydraulic pump 2 and the oil cylinder 1, the external sand stone or dust is prevented from entering the hydraulic system to damage the oil cylinder 1, the tool interface 4 is arranged on the oil cylinder 1, the piston rod 5 is arranged at one side of the tool interface 4, the supporting seat 3 which is used for being contacted and supported on the rail net is fixedly connected on the end part of the piston rod 5 extending out of the oil cylinder 1, during the use, only the supporting seat 3 is required to be supported at the hole to be processed on one side wall of, make the piston rod 5 stretch out to the outside of hydro-cylinder, and under the fixed of supporting seat 3, hydro-cylinder 1 will drive the direction that instrument interface 4 is automatic to keeping away from the rail net and remove, thereby pull the calibration plunger and pass the sleeve pipe on the processing hole from the opposite side of rail net, make the sleeve pipe fix on treating the processing hole through the extrusion of calibration plunger, the completion is riveted, it need not the complicated mechanical equipment of manual operation, only need manual drive hydraulic system's operation can, the operating force is little, personnel low in labor strength, consuming time is short, effectively improve rivet efficiency.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a manual hydraulic pressure rivet device which characterized in that: the manual hydraulic rivet pulling device comprises an oil cylinder (1), a manual hydraulic pump (2) and a supporting seat (3), wherein a displacement channel is formed inside the oil cylinder (1), a tool interface (4) for externally connecting a calibration plunger is integrally formed in the middle of the upper end face of the oil cylinder (1), an oil inlet (11) communicated into the displacement channel is formed in the bottom end face of the oil cylinder (1), a piston rod (5) for reciprocating displacement along the displacement channel is arranged inside the oil cylinder (1), an adjusting port for extending the piston rod (5) is formed in the upper end face of the oil cylinder (1), the piston rod (5) is arranged on one side of the tool interface (4), the manual hydraulic pump (2) and the oil cylinder (1) are connected into an integral structure through an oil pipe (21) and used for hydraulically driving the piston rod (5) to move up and down along the displacement channel, the supporting seat (3) is arranged above the tool interface (4), and the middle part of the supporting seat (3) is provided with a positioning hole (31) for installing the calibration plunger on the tool interface (4).

2. The manual hydraulic blind rivet apparatus of claim 1, wherein: the piston rod (5) is arranged on the end part in the oil cylinder (1) and fixedly connected with a push plate (51) which is matched with the end part and arranged in the displacement channel, the push plate (51) separates the displacement channel into an oil chamber (12) and a reset chamber (13) which are not communicated, the oil chamber (12) is communicated with an oil inlet (11), and the reset chamber (13) is communicated with an adjusting port.

3. The manual hydraulic rivet pulling device according to claim 2, characterized in that: and a Y-shaped sealing ring (6) is assembled between the push plate (51) and the cylinder wall of the oil cylinder (1) and is used for sealing the push plate (51) and the cylinder wall of the oil cylinder (1).

4. The manual hydraulic rivet pulling device according to claim 2, characterized in that: and a reset spring (7) sleeved on the piston rod (5) is arranged in the reset chamber (13), one end of the reset spring (7) is contacted on the upper side surface of the push plate (51), and the other end of the reset spring is contacted on the top inner wall of the displacement channel.

5. The manual hydraulic blind rivet apparatus of claim 1, wherein: the oil pump is characterized in that a first transition joint (8) is fixedly connected to an oil discharge port of the manual hydraulic pump (2), a second transition joint (9) is fixedly connected to an oil inlet (11) of the oil cylinder (1), one end of the oil pipe (21) is fixedly connected to a pipe joint of the first transition joint (8), the other end of the oil pipe is fixedly connected to a pipe joint of the second transition joint (9), and protective sleeves (211) are sleeved on two end portions of the oil pipe (21) respectively.

6. The manual hydraulic blind rivet apparatus of claim 1, wherein: the oil cylinder (1) comprises an oil cylinder seat (14) and a cylinder body (15) arranged above the oil cylinder seat (14), the cylinder body (15) is of a cylindrical structure with an open bottom surface, a threaded interface is integrally formed on the bottom end opening of the cylinder body (15), the outer diameter of the threaded interface is smaller than that of the cylinder body (15), the cylinder seat (14) is of a cover-shaped structure with an open top surface, and the oil cylinder seat (14) is combined on the threaded interface of the cylinder body (15) through threaded connection, an O-shaped sealing ring (141) is arranged between the inner wall of the oil cylinder seat (14) and the outer wall of the threaded interface, the O-shaped sealing ring (141) is fixedly connected on the inner wall of the oil cylinder seat (14) and is used for sealing the oil cylinder seat (14) and the cylinder body (15) after combination, the oil inlet (11) is formed in the bottom surface of the oil cylinder base (14), and the adjusting opening is formed in the top surface of the cylinder body (15).

7. The manual hydraulic blind rivet apparatus of claim 1, wherein: the tool is characterized in that the number of the piston rods (5) is two, the two piston rods (5) are respectively arranged on two sides of the tool interface (4), the supporting seat (3) is fixed on the end portion of the piston rod (5) through a fastening screw, and the tool interface (4) is in threaded connection with the calibration plunger.