CN209850784U - Portable hydraulic drive spanner - Google Patents

Abstract

The utility model discloses a portable hydraulic drive spanner, this hydraulic drive spanner includes cylindric fixing base, rotatory ratchet and the lower fixing ring who sets up to the ring loop configuration, the upper end of fixing base is provided with at least one open-ended spacing groove that makes progress, lower fixing ring cover is established and fixed mounting is in the upper portion of fixing base, lower fixing ring's outside periphery evenly is provided with 2 at least hydraulic motor that just reverse, be connected with the gear on the output of hydraulic motor that just reverses, the gear is arranged in on the lower fixing ring, the upper end of fixing base is located to rotatory ratchet cover and the upper portion of arranging lower fixing ring in, rotatory ratchet is rotatory under the drive of hydraulic motor that just reverses with the gear cooperation, the upper end of rotatory ratchet is provided with at least one detachable stopper. The hydraulic driving wrench is small in size, wide in application range, low in manufacturing cost, capable of being used underground in a coal mine, simple to operate and capable of screwing or loosening nut workpieces in an upright post and a jack.

Description

Portable hydraulic drive spanner

Technical Field

The utility model relates to a dismouting technical field of nut class spare especially relates to a portable hydraulic drive spanner.

Background

Due to the severe working conditions of coal production and the combined influence of corrosive medium environment, the sealing elements of the columns and jacks used in the well are often replaced. At present, the disassembly of a hydraulic stand column and a jack is completed by a disassembly and assembly machine, the equipment is provided with a high-power adjustable reduction gearbox and has an ultra-large rated torque, a base is provided with a balancing device, the stand columns with various specifications and models and the nut parts (guide sleeves, pistons and the like) of the jack with the cylinder diameter within the range of 45-400mm can be disassembled, the equipment is well commented due to the characteristics of strong applicability, large torque, convenience in operation and the like, but the equipment is large in size and difficult to install and transport underground, when the stand column and the jack sealing parts are replaced, the stand column and the jack need to be transported to a ground repair shop, the replacement of the sealing parts is completed by adopting the disassembly and assembly machine, a large amount of manpower and material resources are consumed, long-time production halt is caused, and inconvenience is brought to the replacement.

To the above-mentioned problem, put forward the utility model discloses specially.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable hydraulic drive spanner, this hydraulic drive spanner is small, application scope is wide, and the cost of manufacture is low, can use in the pit in the colliery, and easy operation can screw up or become flexible to the nut class work piece in stand, the jack.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a portable hydraulic drive spanner, includes cylindric fixing base, rotatory ratchet and sets up to the lower fixing ring of ring structure, the upper end of fixing base is provided with at least one open-ended spacing groove that makes progress, lower fixing ring cover establish and fixed mounting in the upper portion of fixing base, lower fixing ring's the outside periphery evenly is provided with 2 at least hydraulic motor that just reverse, be connected with the gear on the output of hydraulic motor that just reverses, the gear is arranged in on the lower fixing ring, the upper end of fixing base is located to rotatory ratchet cover and is arranged in lower fixing ring's upper portion, rotatory ratchet with the gear cooperation is rotatory under the drive of hydraulic motor that reverses, the upper end of rotatory ratchet is provided with at least one detachable stopper.

Preferably, the outer surface of the fixed seat is in interference fit with the inner surface of the rotary ratchet wheel.

Preferably, rotatory ratchet includes ratchet and cylindric installation cover, the ratchet cover establish and fixed connection in on the installation cover, the installation cover locate the upper end of fixing base and with the surface interference fit of fixing base.

Preferably, the parallel upper fixed ring that just is provided with loop configuration's upper fixed ring relatively of lower fixed ring's top, the support column that is provided with 3 evenly distributed at least between upper fixed ring and the lower fixed ring, upper fixed ring is the same with lower fixed ring's external diameter, upper fixed ring's internal diameter is greater than lower fixed ring's internal diameter.

Preferably, the number of the positive and negative rotation hydraulic motors is 2, and the 2 positive and negative rotation hydraulic motors are relatively arranged on the lower fixing ring.

Preferably, all be provided with 2 protruding otic placodes on the solid fixed ring of last fixed ring and the solid fixed ring down, 2 protruding otic placodes on solid fixed ring and the solid fixed ring down all set up relatively, and the protruding otic placode of solid fixed ring of last fixed ring sets up relatively from top to bottom with the protruding otic placode of solid fixed ring down, and 2 just reverse hydraulic motor is fixed mounting respectively on 2 protruding otic placodes of solid fixed ring down, the gear is arranged in between the protruding otic placode of solid fixed ring of last fixed ring and the protruding otic placode of solid fixed ring down.

Preferably, the fixing device further comprises a bottom plate, and the lower end of the fixing seat is fixedly connected to the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model provides a portable hydraulic drive spanner, which is provided with a fixed seat and a rotary ratchet wheel, an object to be disassembled or an object to be installed is fixed in the fixed seat, a nut class piece on the object to be disassembled or the object to be installed is fixed on the rotary ratchet wheel, the rotary ratchet wheel is driven by a positive and negative rotation hydraulic motor to rotate clockwise or anticlockwise around the fixed seat, thereby loosening the nut class piece on the object to be disassembled from the object to be disassembled or installing the nut class piece on the object to be installed; the hydraulic driving wrench can slowly drive the forward and reverse hydraulic motor according to the disassembly condition, so that the condition that threads of nut parts are damaged in the disassembly and assembly process is avoided, and the disassembly and assembly efficiency is improved; the hydraulic driving spanner is small in size, simple in structure, simple to operate, low in manufacturing cost and wide in application range, can be used underground a coal mine, and can screw or loosen nut workpieces in an upright post and a jack.

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 described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the portable hydraulic drive wrench of the present invention.

Fig. 2 is a top view of the portable hydraulic drive wrench of the present invention.

In the figure: the hydraulic motor comprises a base plate 1, a fixing seat 2, a lower fixing ring 3, an upper fixing ring 4, a forward and reverse rotation hydraulic motor 5, a rotating ratchet wheel 6, a gear 7, a support column 8 and a limiting block 9.

Detailed Description

The core of the utility model is to provide a portable hydraulic drive spanner, this hydraulic drive spanner is small, application scope is wide, and the cost of manufacture is low, can use in the pit in the colliery, and easy operation can screw up or become flexible to the nut class work piece in stand, the jack.

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application.

As shown in fig. 1 and 2, the portable hydraulic driving wrench provided in this embodiment includes a bottom plate 1, a cylindrical fixing seat 2, a rotating ratchet 6 and a lower fixing ring 3 configured as a circular ring structure, wherein a lower end of the fixing seat 2 is fixedly connected to the bottom plate 1, and an upper end of the fixing seat 2 is provided with at least one limiting groove opening upward, in this embodiment, the upper end of the fixing seat 2 is provided with 2 limiting grooves opening upward, and the limiting grooves are used for limiting an object to be disassembled placed in the fixing seat 2 and fixing the object to be disassembled in the fixing seat 2.

The lower fixing ring 3 is sleeved and fixedly mounted on the upper portion of the fixing seat 2, at least 2 forward and reverse rotation hydraulic motors 5 are uniformly arranged on the periphery of the outer side of the lower fixing ring 3, in the embodiment, the number of the forward and reverse rotation hydraulic motors 5 is 2, the 2 forward and reverse rotation hydraulic motors 5 are relatively mounted on the lower fixing ring 3, a gear 7 is connected to the output end of the forward and reverse rotation hydraulic motor 5, and the gear 7 is arranged on the lower fixing ring 3.

The rotary ratchet 6 is arranged on the lower fixing ring 3, the rotary ratchet 6 comprises a ratchet and a cylindrical mounting sleeve, the ratchet is sleeved and fixedly connected to the mounting sleeve, the mounting sleeve is sleeved on the upper end of the fixing seat 2 and in interference fit with the outer surface of the fixing seat 2, and the rotary ratchet 6 and the gear 7 are matched to rotate around the fixing seat 2 under the driving of the forward and reverse hydraulic motor 5. The upper end of the rotating ratchet wheel 6 is provided with at least one detachable limiting block 9, in the embodiment, the upper end of the rotating ratchet wheel 6 is provided with 2 detachable limiting blocks 9, and the limiting blocks 9 are used for fixing the nut parts on the object to be detached on the rotating ratchet wheel 6. Therefore, the object to be disassembled or the object to be installed is fixed in the fixed seat 2, the nut part on the object to be disassembled or the object to be installed is fixed on the rotating ratchet wheel 6, the rotating ratchet wheel 6 rotates clockwise or anticlockwise around the fixed seat 2 under the driving of the forward and reverse rotating hydraulic motor 5, and therefore the nut part on the object to be disassembled is unscrewed from the object to be disassembled or the nut part on the object to be installed is installed on the object to be installed.

The parallel upper fixed ring 4 that just is provided with the loop configuration relatively of lower fixed ring 3's top, be provided with 3 evenly distributed's support column 8 at least between upper fixed ring 4 and the lower fixed ring 3, support column 8 is connected upper fixed ring 4 and lower fixed ring 3 and is fixed in the top of lower fixed ring 3 with upper fixed ring 4 support, upper fixed ring 4 is the same with the external diameter of lower fixed ring 3, the internal diameter of upper fixed ring 4 is greater than the internal diameter of lower fixed ring 3, leave between the internal surface of upper fixed ring 4 and fixing base 2 and install stopper 9 on rotatory ratchet 6 and do not block the clearance that installation piece 9 rotated along with rotatory ratchet 6. All be provided with 2 protruding otic placodes on the solid fixed ring 4 of going up and the solid fixed ring 3 down, 2 protruding otic placodes on solid fixed ring 4 of going up and the solid fixed ring 3 of down all set up relatively, the protruding otic placode of solid fixed ring 4 of going up and the protruding otic placode of solid fixed ring 3 down set up relatively from top to bottom, 2 just reverse hydraulic motor 5 respectively fixed mounting on 2 protruding otic placodes of solid fixed ring 3 of down, gear 7 is arranged in between the protruding otic placode of solid fixed ring 4 of going up and the protruding otic placode of solid fixed ring 3 down, the setting of solid fixed ring 4 of going up plays the guard action to gear 7, prevent that impurity such as dust from influencing the.

As the optimization of the specific embodiment, the fixed seat 2 can be reformed by adopting a waste hydraulic cylinder, so that the material is saved, the waste is recycled, and the production cost is reduced.

When the hydraulic driving wrench is used, firstly, an object to be disassembled is placed in the fixed seat 2, an iron block or other fixing parts with proper size are selected according to the size of the object to be disassembled, one end of the iron block or other fixing parts is placed in the limiting groove, the other end of the iron block or other fixing parts is connected with the object to be disassembled in a welding mode, and therefore the object to be disassembled is fixed in the fixed seat 2, then the nut on the object to be disassembled is fixedly connected with the limited block 9 on the rotating ratchet wheel 6 by welding or other fixed connection modes, therefore, after the object to be disassembled and the nut on the object to be disassembled are respectively fixed on the fixed seat 2 and the rotating ratchet wheel 6, the rotating ratchet wheel 6 rotates around the fixed seat 2 under the driving of the forward and reverse rotating hydraulic motor 5, thereby loosening the nut parts on the object to be disassembled from the object to be disassembled, and achieving the purpose of disassembly. Similarly, the nut members on the object to be mounted are mounted on the object to be mounted in the same manner, except that the forward and reverse rotation hydraulic motors 5 are different in rotation direction.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a portable hydraulic drive spanner, its characterized in that includes cylindric fixing base, rotatory ratchet and sets up to the lower fixing ring of circle annular structure, the upper end of fixing base is provided with at least one open-ended spacing groove that makes progress, lower fixing ring cover establish and fixed mounting in the upper portion of fixing base, lower fixing ring's outside periphery evenly is provided with 2 at least hydraulic motor that just reverse, be connected with the gear on the output of hydraulic motor that just reverses, the gear is arranged in on the lower fixing ring, the upper end of fixing base is located to rotatory ratchet cover and is arranged in lower fixing ring's upper portion, rotatory ratchet with the gear cooperation is rotatory under the drive of hydraulic motor that reverses, the upper end of rotatory ratchet is provided with at least one detachable stopper.

2. The portable hydraulically driven wrench of claim 1, wherein the outer surface of the fixed base has an interference fit with the inner surface of the rotary ratchet.

3. The portable hydraulic drive wrench as claimed in claim 1, wherein the rotary ratchet includes a ratchet and a cylindrical mounting sleeve, the ratchet is sleeved and fixedly connected to the mounting sleeve, and the mounting sleeve is sleeved on the upper end of the fixing seat and is in interference fit with the outer surface of the fixing seat.

4. The portable hydraulic drive wrench as claimed in claim 3, wherein the upper fixing ring of the annular structure is disposed above and parallel to and opposite to the lower fixing ring, at least 3 support pillars are uniformly distributed between the upper fixing ring and the lower fixing ring, the outer diameters of the upper fixing ring and the lower fixing ring are the same, and the inner diameter of the upper fixing ring is larger than that of the lower fixing ring.

5. The portable hydraulically driven wrench as claimed in claim 3 or 4, wherein the number of the forward and reverse hydraulic motors is 2, and the 2 forward and reverse hydraulic motors are oppositely mounted on the lower fixing ring.

6. The portable hydraulic drive wrench as claimed in claim 4, wherein the upper fixing ring and the lower fixing ring are respectively provided with 2 raised lugs, the 2 raised lugs on the upper fixing ring and the lower fixing ring are respectively oppositely arranged, the raised lugs of the upper fixing ring and the raised lugs of the lower fixing ring are respectively oppositely arranged, the 2 forward and reverse hydraulic motors are respectively fixedly mounted on the 2 raised lugs of the lower fixing ring, and the gear is arranged between the raised lugs of the upper fixing ring and the raised lugs of the lower fixing ring.

7. The portable hydraulically driven wrench as claimed in claim 6, further comprising a base plate, the lower end of the holder being fixedly attached to the base plate.