CN215789549U - Two-way synchronous pressure equipment tool of shield - Google Patents

Abstract

The utility model discloses a bidirectional synchronous press-fitting jig for a dustproof cover, which comprises an installation upright post, an upper chute, a middle sliding hole, a lower chute and a pressure head, wherein the upper chute is arranged on the end surface of the top end of the installation upright post and used for positioning an installation ring platform, the middle sliding hole is arranged on the bottom surface of an upper annular groove and used for positioning an installation pipe body, the lower chute is communicated with the bottom of the middle sliding hole and used for positioning and installing a bottom dustproof cover, and the pressure head can be vertically suspended above the installation upright post in a lifting manner, is opposite to the installation upright post and is used for press-fitting the top dustproof cover. Therefore, when the pressure head is pressed, the top dust cover is gradually pressed into the threaded pipe and finally abuts against the stop step of the threaded pipe to finish the pressing; in the process, the whole oil conveying pipe is simultaneously subjected to the pressure of the pressure head, so that the whole oil conveying pipe moves downwards, the oil nozzle is gradually pressed and enters the bottom dustproof cover and finally abuts against the inner bottom surface of the bottom dustproof cover to complete the press mounting, the press mounting operation of the two dustproof covers can be simultaneously carried out, and the press mounting operation efficiency is greatly improved.

Description

Two-way synchronous pressure equipment tool of shield

Technical Field

The utility model relates to the technical field of hydraulic pressure, in particular to a bidirectional synchronous press-fitting jig for a dust cover.

Background

Defeated oil pipe (if advance oil pipe, go out oil pipe etc.) after the assembly, still need assemble the shield of different specifications at defeated oil pipe's axial both ends to realize defeated oil pipe's dustproof and waterproof performance, prevent that defeated oil pipe is inside to get into impurity such as dust, liquid, the long-term storage and the transportation of defeated oil pipe of being convenient for.

As shown in fig. 1, the oil pipeline a has a stepped tubular structure as a whole, and has a thick pipe body a1 portion and thin ends. A ring platform a2 is arranged at the top end of the tube body a1 in a surrounding mode, and the diameter of the ring platform a2 is larger. A long tubular nipple a3 is connected to the bottom end of the tube body a1 for the passage of oil. A threaded pipe a4 is connected to the top end of the pipe body a1, a stop step a5 is further provided on the threaded pipe a4, threads are provided only on the upper half of the stop step a5, and a smooth surface is provided below the stop step a 5. The oil nozzle a3 is used for being matched and pressed with the bottom dust cap b, and the threaded pipe a4 is used for being matched and pressed with the top dust cap c. In general, the bottom dust cap b has a stepped cylindrical shape, and is press-fitted to the nozzle a3 to seal the nozzle. The top dust cover c is in a straight cylinder shape and needs to be pressed on the threaded pipe a4 to seal the pipe orifice.

In the prior art, the press-fitting operation of the oil delivery pipe and the dust cap is mainly completed manually by means of a tool, for example, an operator firstly covers the top dust cap on the top end of the oil delivery pipe along the direction that an opening faces downwards, namely, the position of a threaded pipe, then fixes the oil delivery pipe, and then presses the top dust cap into the threaded pipe by using a press; and then, the oil delivery pipe is turned over by an operator, so that the bottom end of the oil delivery pipe faces upwards, the steps are continuously repeated, and the bottom dustproof cover is pressed into the oil nozzle. In the whole press fitting operation process, the press fitting operation of the two dust covers is carried out successively, and an operator needs to turn over the oil conveying pipe and clamp and position the oil conveying pipe again in the operation process, so that the press fitting operation efficiency is low.

Therefore, how to improve the press-fitting operation efficiency on the basis of realizing the assembly of the oil delivery pipe and the dust cap is a technical problem faced by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bidirectional synchronous press-fitting jig for dust covers, which can simultaneously perform press-fitting operation on two dust covers on the basis of realizing the assembly of an oil conveying pipe and the dust covers, and greatly improves the press-fitting operation efficiency.

In order to solve the technical problem, the utility model provides a bidirectional synchronous press-fitting jig for a dustproof cover, which comprises an installation upright post, an upper chute, a middle sliding hole, a lower chute and a pressure head, wherein the upper chute is arranged on the end surface of the top end of the installation upright post and used for positioning an installation ring platform, the middle sliding hole is arranged on the bottom surface of an upper annular groove and used for positioning an installation pipe body, the lower chute is communicated with the bottom of the middle sliding hole and used for positioning and installing a bottom dustproof cover, and the pressure head can be vertically suspended above the installation upright post in a lifting manner, is opposite to the installation upright post and is used for press-fitting the top dustproof cover.

Preferably, still including set up immediately the top end face of installation stand is used for with the bottom end face butt of pressure head, in order to restrict the spacing stand of the stroke of pushing down of pressure head.

Preferably, the mounting column includes an outer seat and an inner sleeve coaxially embedded in the top end face of the outer seat, the upper chute and the middle chute are both disposed in the inner sleeve, and the lower chute is disposed in the outer seat.

Preferably, the top end surface of the lower chute is provided with a guide slope along the circumferential direction, so that the bottom dust cover slides from the bottom of the middle slide hole to the lower chute.

Preferably, the bottom end face of the outer layer seat body is provided with a vent hole communicated with the lower chute to balance the internal air pressure of the lower chute.

Preferably, the inner sleeve is axially slidably inserted into the top end face of the outer seat body, and the bottom end face of the outer seat body is provided with a plurality of through holes for jacking up the inner sleeve through a push rod for disassembly.

Preferably, elastic pieces distributed in the vertical direction are arranged in the through hole, the bottom end of each elastic piece is connected with the hole wall of the through hole, and the top end of each elastic piece is used for being abutted to the end face of the bottom end of the inner sleeve.

Preferably, the elastic member is a spring.

Preferably, the top of the side wall of the mounting upright post is provided with a material taking port which is convenient for taking out a finished product.

Preferably, the bottom pad of the mounting upright is provided with a backing plate for reinforcing support.

The utility model provides a bidirectional synchronous press-fitting jig for a dust cover, which mainly comprises an installation upright post, an upper chute, a middle slide hole, a lower chute and a pressure head. Wherein, the installation stand is the major structure of this tool, and other spare parts of mainly used installation also provide the workplace for the pressure equipment operation of defeated oil pipe and two shield simultaneously. The upper chute is arranged on the end face of the top end of the mounting upright column and is mainly used for positioning and mounting the ring platform of the oil conveying pipe, so that the inner circle surface of the upper chute is tightly attached to the outer circle surface of the ring platform, and the ring platform can perform axial (vertical) sliding motion in the upper chute. The middle sliding hole is formed in the bottom face of the groove of the upper annular groove and extends downwards along the axial direction, and is mainly used for positioning and mounting a pipe body of the oil conveying pipe, so that the inner circle face of the middle sliding hole is tightly attached to the outer circle face of the pipe body, and the pipe body can perform axial sliding motion in the middle sliding hole. The lower chute is arranged in the mounting upright post and communicated with the bottom of the middle sliding hole, and is mainly used for positioning and mounting the bottom dustproof cover, so that the inner circle of the lower chute is tightly attached to the outer circle surface of the bottom dustproof cover, and the bottom dustproof cover can perform axial sliding motion in the lower chute. The pressure head is suspended above the mounting upright column and is axially opposite to the mounting upright column, vertical lifting motion can be performed under the driving of the driving part, and the pressure head is mainly used for gradually pressing a top dustproof cover pre-mounted on the threaded pipe to a stop step of the threaded pipe in a descending process.

Therefore, the bidirectional synchronous press-fitting jig for the connecting bearing provided by the utility model realizes the positioning and installation of the oil conveying pipe on the installation upright column through the positioning and installation of the upper chute on the annular platform and the positioning and installation of the middle chute hole on the pipe body, and simultaneously ensures the coaxial distribution of the oil conveying pipe and the bottom dust cap through the positioning and installation of the lower chute on the bottom dust cap, thereby ensuring that the oil nozzle can be smoothly press-fitted into the bottom dust cap in the press-fitting process. Meanwhile, when the pressure head is pressed, the top dust cap is gradually pressed into the threaded pipe and finally abuts against the stop step of the threaded pipe to finish the pressing; in the process, the whole oil conveying pipe is simultaneously subjected to the pressure of the pressure head, so that the whole oil conveying pipe moves downwards, the oil nozzle is gradually pressed and enters the bottom dustproof cover, and finally the oil nozzle is abutted against the inner bottom surface of the bottom dustproof cover to complete the press mounting. Compared with the prior art, when the pressure head is pressed down, the top dust cover and the bottom dust cover simultaneously carry out press fitting operation with the oil conveying pipe, so that the press fitting operation efficiency can be greatly improved.

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 is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a press-fitting process of an oil delivery pipe, a top dust cap and a bottom dust cap in the prior art.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic structural diagram of the press head after press-fitting operation is completed.

Fig. 5 is a schematic view of a specific structure of the limiting column.

Fig. 6 is a detailed structural diagram of the elastic member.

Fig. 7 is a schematic diagram of the specific structure of the material taking port.

Wherein, in fig. 1-7:

the oil delivery pipe-a, the pipe body-a 1, the annular table-a 2, the oil nozzle-a 3, the threaded pipe-a 4, the stop step-a 5, the bottom dust cap-b and the top dust cap-c;

the method comprises the following steps of (1) installing an upright post-1, an upper chute-2, a middle sliding hole-3, a lower chute-4, a pressure head-5, a limiting upright post-6, a material taking port-7 and a base plate-8;

the outer layer seat body-11, the inner layer sleeve-12, the vent hole-13, the through hole-14, the elastic piece-15 and the guide slope-41.

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.

Referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic overall structure diagram of an embodiment of the present invention, fig. 3 is a cross-sectional view of fig. 2, and fig. 4 is a schematic structural diagram of the press head 5 after press-fitting operation is completed.

In a specific embodiment provided by the utility model, the two-way synchronous press-fitting jig for the dust cap mainly comprises an installation upright post 1, an upper chute 2, a middle slide hole 3, a lower chute 4 and a pressure head 5.

Wherein, installation stand 1 is the major structure of this tool, and other spare parts of mainly used installation also provide the workplace for the pressure equipment operation of defeated oil pipe a and two shield simultaneously.

The upper chute 2 is arranged on the top end face of the mounting upright post 1 and is mainly used for positioning and mounting the annular platform a2 of the oil conveying pipe a, so that the inner circle face of the upper chute 2 is tightly attached to the outer circle face of the annular platform a2, and the annular platform a2 can perform axial (namely vertical) sliding motion in the upper chute 2.

The middle sliding hole 3 is arranged on the groove bottom surface of the upper ring groove and extends downwards along the axial direction, and is mainly used for positioning and installing the pipe body a1 of the oil conveying pipe a, so that the inner circle of the middle sliding hole 3 is tightly attached to the outer circle surface of the pipe body a1, and the pipe body a1 can perform axial sliding motion in the middle sliding hole 3.

The lower chute 4 is arranged in the mounting upright post 1 and communicated with the bottom of the middle sliding hole 3, and is mainly used for positioning and mounting the bottom dust cap b, so that the inner circle of the lower chute 4 is tightly attached to the outer circle surface of the bottom dust cap b, and the bottom dust cap b can perform axial sliding motion in the lower chute 4.

The pressure head 5 is suspended above the mounting upright post 1, is axially opposite to the mounting upright post 1, can vertically move up and down under the driving of a driving part, and is mainly used for gradually pressing a top dustproof cover c pre-installed on the threaded pipe a4 to a stop step a5 of the threaded pipe a4 in a descending process.

So, the two-way synchronous pressure equipment tool of connecting bearing that this embodiment provided, through last spout 2 to the location installation of ring platform a2, middle slide opening 3 has realized defeated oil pipe a jointly to the location installation of body a1 the location installation on installation stand 1, through the location installation of spout 4 to end shield b down, guarantees defeated oil pipe a and the coaxial distribution of end shield b simultaneously, and then ensures that glib a3 can press in end shield b smoothly in the pressure equipment stroke.

Meanwhile, when the pressure head 5 is pressed, the top dust cap c is gradually pressed into the threaded pipe a4 and finally abuts against the stop step a5 of the threaded pipe a4, and the pressing is completed; in the process, the whole oil delivery pipe a is simultaneously subjected to the pressure of the pressure head 5, so that the whole oil delivery pipe a moves downwards, the oil nozzle a3 gradually presses and enters the bottom dust cover b, and finally abuts against the inner bottom surface of the bottom dust cover b, and the pressing and mounting are completed. Compared with the prior art, when the pressure head 5 is pressed down, the top dust cover c and the bottom dust cover b simultaneously carry out press fitting operation with the oil conveying pipe a, so that the press fitting operation efficiency can be greatly improved.

As shown in fig. 5, fig. 5 is a schematic structural diagram of the limiting column 6.

Considering that the press head 5 is in the downward stroke, when the bottom end surface of the top dust cap c abuts against the stop step a5 of the threaded pipe a4 and the bottom end surface of the oil nozzle a3 abuts against the inner bottom surface of the bottom dust cap b, the press fitting operation is completed, the downward stroke of the press head 5 should be stopped at this time, and in order to avoid the pressure loss caused by the continuous downward movement of the press head 5, the limiting upright post 6 is additionally arranged in the embodiment. Specifically, this spacing stand 6 sets up perpendicularly on the top end face of installation stand 1 to vertical upwards extending take the altitude, mainly used and the bottom end face butt of pressure head 5, thereby the biggest distance that pushes down of restriction pressure head 5. Generally, regarding the height design of the position-limiting upright post 6, when the top dust cap c and the threaded pipe a4 complete the press-fitting operation, the press-fitting operation between the bottom dust cap b and the oil nozzle a3 may not be completed, and at this time, the pressure head 5 may continue to descend until the bottom end face of the pressure head 5 just abuts against the top end face of the position-limiting upright post 6 when the press-fitting operation between the bottom dust cap b and the oil nozzle a3 is also completed. Of course, when the top dust cap c and the threaded pipe a4 are press-fitted, the bottom end face of the pressure head 5 abuts against the top end face of the position-limiting upright post 6, and at this time, the press-fitting between the bottom dust cap b and the oil nozzle a3 is also just completed.

In a preferred embodiment of the mounting stud 1, the mounting stud 1 is of a two-piece construction, consisting essentially of an outer housing 11 and an inner sleeve 12. The outer seat 11 is an outer structure for mounting the upright column 1, but is not in a straight cylinder shape, but in a groove shape, and the bottom of the outer seat is not through, so as to form a composite structure of the bottom seat and the circumferential groove wall. The inner sleeve 12 is an inner structure for mounting the column 1, is specifically in a straight tube shape or a tubular shape, is mounted in the outer seat body 11, and is specifically embedded in a groove of the outer seat body 11, thereby realizing coaxial arrangement of the outer seat body 11 and the inner sleeve 12.

Accordingly, in the present embodiment, the upper chute 2 and the middle chute 3 are both opened in the inner sleeve 12, and the lower chute 4 is opened in the outer seat 11. Of course, since the upper chute 2 and the middle chute hole 3 are used for positioning and mounting the oil delivery pipe a, and the lower chute 4 is used for positioning and mounting the bottom dust cap b, the upper chute 2, the middle chute hole 3 and the lower chute hole 4 are coaxially distributed on the basis that the outer layer seat 11 and the inner layer sleeve 12 are coaxially distributed to ensure that the press fitting operation can be smoothly performed. Generally, the upper chute 2 and the middle chute 3 are both arranged at the axial position of the inner sleeve 12, and the lower chute 4 is arranged at the axial position of the outer seat 11.

Further, when considering that the installation end dust cap b is positioned in the downward chute 4, the end dust cap b is required to fall from the upper chute 2, then the end dust cap b falls into the lower chute 4, and in order to ensure that the end dust cap b can smoothly fall into the lower chute 4, the end dust cap b is prevented from being blocked by the middle through hole, and the guide slope 41 is additionally arranged in the embodiment. Specifically, the guide slope 41 is provided at a connection position between the top end surface of the lower chute 4 and the middle slide hole 3, and has an inclination angle of generally 30 ° to 45 °, so that when the bottom dust cover b falls to the bottom of the middle slide hole 3, the guide slope 41 tends to be automatically centered and guided into the notch of the lower chute 4 by an abutting force in the circumferential direction.

In addition, in consideration of the fact that when the bottom dust cap b is installed in the lower chute 4, the outer diameter of the bottom dust cap b is equal to the inner diameter of the lower chute 4, in order to prevent the bottom dust cap b from compressing the air in the lower chute 4 and causing air lock, the vent hole 13 is additionally provided in the present embodiment. Specifically, the vent hole 13 is formed in the bottom end surface of the outer seat 11 and extends to communicate with the lower chute 4. So set up, through the intercommunication effect of air vent 13, with the inner space and the external atmospheric environment intercommunication of lower chute 4 to balanced inside and outside atmospheric pressure prevents when shield b at the bottom of the installation, and the air in the lower chute 4 forms the air lock to it.

Furthermore, the inner sleeve 12 is likely to be worn out in a long-term use, and therefore needs to be replaced periodically. In the present embodiment, the through-hole 14 is added to facilitate the attachment and detachment of the inner sleeve 12. Specifically, the through hole 14 is also formed in the bottom end surface of the outer seat 11, and the through hole 14 extends to the top end surface in the groove of the outer seat 11, so as to connect the groove structure of the outer seat 11, so that the bottom end surface of the inner sleeve 12 can be communicated with the hole opening of the through hole 14 after the inner sleeve 12 is inserted into the groove of the outer seat 11. Correspondingly, the inner sleeve 12 and the outer seat 11 are slidably connected, that is, the inner sleeve 12 can vertically slide in the groove of the outer seat 11. With such an arrangement, when the inner sleeve 12 needs to be replaced, the inner sleeve 12 can be jacked upwards only by extending the inner sleeve 12 from the bottom of the through hole 14 through the push rod and other parts and abutting against the end face of the bottom end of the inner sleeve 12, so that the inner sleeve is separated from the outer seat 11, and the replacement operation is completed.

As shown in fig. 6, fig. 6 is a schematic structural diagram of the elastic member 15.

In addition, considering that the finished product is pressed into the depth of the mounting column 1 after the press-fitting operation of the press head 5 is completed, it is not convenient to take the finished product, and for this reason, the elastic member 15 is additionally arranged in the embodiment. Specifically, the elastic members 15 are disposed in the through holes 14 and distributed in the vertical direction, i.e., elastically deformed in the vertical direction. Meanwhile, the bottom end of the elastic element 15 is connected with the hole wall of the through hole 14 (or connected with the outer layer seat body 11), and the top end of the elastic element 15 is suspended and is mainly used for being abutted against the bottom end face of the inner layer sleeve 12. So set up, when pressure head 5 is carrying out the pressure equipment operation, defeated oil pipe a descends gradually, inlayer sleeve 12 also descends in outer pedestal 11 gradually, and compress elastic component 15 gradually simultaneously, and after the pressure equipment operation of pressure head 5, pressure head 5 rises gradually, at this moment, elastic component 15 carries out elasticity and stretches, and with inlayer sleeve 12 and finished product jack-up that makes progress, make inlayer sleeve 12 reset, finished high position is improved, thereby convenience of customers takes.

In general, the elastic member 15 may be a spring. Of course, the elastic member 15 may be an elastic tube or the like.

As shown in fig. 7, fig. 7 is a schematic diagram of a specific structure of the material taking port 7.

In another preferred embodiment, in order to facilitate the taking of finished products, the top area of the side wall of the mounting column 1 is provided with a material taking opening 7. Specifically, this material taking opening 7 makes the lateral wall top region of installation stand 1 get rid of to the lateral wall that will install stand 1 forms the structure that partly height, part are low, and the user only needs to stretch into the hand and grabs the finished product in material taking opening 7 when the material is got to needs, then upwards mention it can.

Moreover, considering that the height of the mounting upright post 1 is larger, in order to avoid the accident of overturning caused by unstable gravity center in the press mounting operation process of the pressure head 5, the backing plate 8 is additionally arranged in the embodiment. Specifically, the backing plate 8 is disposed on the bottom end face of the mounting column 1, so that the friction force is increased by using the large surface area of the backing plate, and the center of gravity of the mounting column 1 is kept stable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a two-way synchronous pressure equipment tool of shield, its characterized in that, including installation stand (1), set up in the top end face of installation stand (1) is used for fixing a position last spout (2) of installation ring platform (a2), set up in the tank bottom surface of going up annular (2) is used for middle slide opening (3) of location installation body (a1), with the bottom intercommunication of middle slide opening (3) is used for lower spout (4) of shield (b) at the bottom of the location installation to and suspension in but vertical lift installation stand (1) top and rather than just, be used for pressure head (5) of pressure equipment top shield (c).

2. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 1, further comprising a limiting upright post (6) vertically arranged on the top end surface of the mounting upright post (1) and used for abutting against the bottom end surface of the press head (5) to limit the press-down stroke of the press head (5).

3. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 1, wherein the mounting upright (1) comprises an outer seat body (11) and an inner sleeve (12) coaxially embedded in the top end surface of the outer seat body (11), the upper chute (2) and the middle chute (3) are both arranged in the inner sleeve (12), and the lower chute (4) is arranged in the outer seat body (11).

4. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 3, wherein the top end surface of the lower chute (4) is circumferentially provided with a guide slope (41) for enabling the bottom dust cap (b) to slide into the lower chute (4) from the bottom of the middle slide hole (3).

5. The tool for bi-directionally and synchronously press-fitting the dust cap as claimed in claim 4, wherein the bottom end surface of the outer seat (11) is provided with a vent hole (13) communicated with the lower chute (4) for balancing the internal air pressure of the lower chute (4).

6. The bidirectional synchronous press-fitting jig for the dust caps as recited in claim 5, wherein the inner sleeve (12) is axially slidably inserted into the top end surface of the outer seat body (11), and the bottom end surface of the outer seat body (11) is provided with a plurality of through holes (14) for jacking up the inner sleeve (12) by a jacking rod for disassembly.

7. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 6, wherein elastic members (15) are arranged in the through holes (14) and distributed in the vertical direction, the bottom ends of the elastic members (15) are connected with the hole walls of the through holes (14), and the top ends of the elastic members (15) are used for abutting against the end faces of the bottom ends of the inner sleeves (12).

8. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 7, wherein the elastic member (15) is a spring.

9. The bidirectional synchronous press-fitting jig for the dust caps as claimed in claim 1, wherein the top of the side wall of the mounting column (1) is provided with a material taking port (7) for taking out a finished product.

10. The tool for bidirectionally and synchronously press-fitting the dust cover according to claim 1, wherein a base plate (8) for reinforcing and supporting is padded on the bottom surface of the mounting upright (1).

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