CN213828755U - Hydraulic rock drill piston dismounting device - Google Patents

Hydraulic rock drill piston dismounting device Download PDF

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Publication number
CN213828755U
CN213828755U CN202022921206.1U CN202022921206U CN213828755U CN 213828755 U CN213828755 U CN 213828755U CN 202022921206 U CN202022921206 U CN 202022921206U CN 213828755 U CN213828755 U CN 213828755U
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China
Prior art keywords
rock drill
piston
shell
unit
guide
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CN202022921206.1U
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Chinese (zh)
Inventor
赵国平
龚岸琦
徐山
肖利
欧阳益斌
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Abstract

The utility model discloses a hydraulic rock drill piston dismouting equipment, include: the device comprises a base, a piston and a clamping mechanism, wherein the base is respectively provided with a clamping component for fixing a rock drill shell and a thrust unit for pushing the piston into the rock drill shell; the guide unit and the limiting seat are respectively arranged at two ends of the rock drill shell along the axial direction, and two ends of the guide cavity along the axial direction are of an opening structure; the thrust unit pushes the piston to move into the shell of the rock drill along the guide cavity until the piston is contacted with the limiting seat. By applying the equipment, the clamping assembly clamps the shell of the rock drill and quickly positions the shell of the rock drill, so that the shell of the rock drill is quickly assembled and disassembled, labor is saved, and the working efficiency is improved; the thrust unit and the guide unit are matched to provide power for the movement of the piston and guide the movement of the piston, so that the centering operation is simplified, and the centering efficiency and the mounting efficiency are improved.

Description

Hydraulic rock drill piston dismounting device
Technical Field
The utility model relates to a hydraulic rock drill installation technical field, more specifically say, relate to a hydraulic rock drill piston dismouting equipment.
Background
The hydraulic rock drill is widely applied to drilling and blasting method construction in the mechanical industry, the assembly efficiency of the piston of the hydraulic rock drill is low, the assembly efficiency of the whole hydraulic rock drill is influenced, and the labor intensity is high.
In the operation process, the following modes are installed in the high-precision centering of the similar shaft and the shell:
the mounting shaft and the hole are respectively clamped and positioned, and the assembly is relatively pushed. For example, CN109514452A discloses a high-precision centering device for assembling hole shaft parts and a method thereof, wherein the device includes: the device comprises a body, a base, a support and a swing arm, wherein the base, the support and the swing arm are arranged on the body; a hole part fixing member provided on the base for loading the hole part; the hole guide assembly power cylinder and the shaft guide assembly power cylinder are respectively and fixedly arranged on the swing arm; the hole guide assembly is connected to the hole guide assembly power cylinder through a first connecting rod; the shaft guide assembly is connected to the shaft guide assembly power cylinder through a second connecting rod; and the shaft thrust and clamping assembly is arranged on the bracket and used for loading shaft parts. The mode emphasizes the centering assembly of the shaft and the hole, the clamping mode is complex, the centering is not easy, and the operation of only fixing the workbench does not have the mechanical flexibility.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a first aim at provides a hydraulic rock drill piston dismouting equipment to simplify the centering of rock drill casing and piston, simplify the centre gripping mode simultaneously, the hydraulic rock drill casing of being convenient for is fixed a position fast, makes the swift laborsaving of dismouting.
In order to achieve the first object, the present invention provides the following technical solutions:
a hydraulic rock drill piston disassembly and assembly device, comprising:
the device comprises a base, a piston and a clamping mechanism, wherein the base is respectively provided with a clamping component for fixing a rock drill shell and a thrust unit for pushing the piston into the rock drill shell;
the rock drill comprises a rock drill shell, a guide unit and a limiting seat, wherein the guide unit can be fixed with the rock drill shell and is provided with a guide cavity for mounting a piston, the limiting seat is used for limiting the mounting position of the piston, the guide unit and the limiting seat are respectively arranged at two ends of the rock drill shell along the axial direction, and two ends of the guide cavity along the axial direction are of an opening structure; and the thrust unit pushes the piston to move into the shell of the rock drill along the guide cavity until the piston is contacted with the limiting seat.
Preferably, the guide unit is provided with a plurality of observation holes for observing the moving position of the piston in the guide cavity, and the observation holes are uniformly arranged along the circumferential direction of the guide unit.
Preferably, the guide unit further includes:
along the fixing base of perpendicular to axial setting, be equipped with on the fixing base along the axial setting, be used for installing threaded fastener's fixed orifices, the guide unit warp threaded fastener is fixed with the rock drill casing.
Preferably, the clamping assembly comprises:
the clamping support seat is fixed with the base;
detachable fixed connection in on the centre gripping supporting seat, be used for fixed rock drill casing a plurality of grip ring, arbitrary the inner wall of grip ring is equallyd divide and is equipped with respectively and laminate the spacing face in order to carry out the centre gripping with the wall of rock drill casing.
Preferably, the thrust unit includes:
the propelling oil cylinder is connected with the hydraulic system;
and the propulsion oil cylinder supporting seat is used for being fixed with the base and provided with a mounting hole for mounting the propulsion oil cylinder.
Preferably, the axis of the mounting hole and the centre line of the clamping ring are collinear.
Preferably, the bottom of the base is uniformly provided with a plurality of pulleys.
Preferably, the method further comprises the following steps:
the pressure detection unit is arranged on the limiting seat and/or the thrust unit;
and the control unit is respectively connected with the thrust unit and the pressure detection unit, and controls the thrust unit to stop when the pressure of the pressure detection unit is greater than or equal to a preset pressure value.
Preferably, the pressure detection unit is a pressure sensor.
The utility model provides a hydraulic rock drill piston dismouting equipment, include: the device comprises a base, a piston and a clamping mechanism, wherein the base is respectively provided with a clamping component for fixing a rock drill shell and a thrust unit for pushing the piston into the rock drill shell; the guide unit and the limiting seat are respectively arranged at two ends of the rock drill shell along the axial direction, and two ends of the guide cavity along the axial direction are of an opening structure; the thrust unit pushes the piston to move into the shell of the rock drill along the guide cavity until the piston is contacted with the limiting seat.
Compare in prior art, use the utility model provides a hydraulic rock drill piston dismouting equipment has following technological effect:
firstly, clamping the shell of the rock drill through the clamping assembly, and quickly positioning the shell of the rock drill, so that the shell of the rock drill is quickly assembled and disassembled, labor is saved, and the working efficiency is improved;
secondly, the thrust unit and the guide unit are matched to provide power for the movement of the piston and guide the movement of the piston, so that the centering operation is simplified, and the centering efficiency and the installation efficiency are improved; meanwhile, the assembly precision of the impact piston is increased, and the occurrence rate of part damage is reduced;
thirdly, the accuracy of the assembly position of the impact piston is improved through the limiting seat, and the overall assembly accuracy is 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 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 schematic view of a partial structure of a hydraulic rock drill piston dismounting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a top view structure of a hydraulic rock drill piston dismounting device according to an embodiment of the present invention;
fig. 3 is a schematic view of an installation position structure of the guiding unit and the limiting seat according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a hydraulic rock drill piston dismouting equipment's assembly structure shows.
The drawings are numbered as follows:
the device comprises a base 1, a pulley 11, a thrust unit 2, a thrust cylinder supporting seat 21, a thrust cylinder 22, a clamping supporting seat 31, a clamping ring 32, a guide unit 4, an observation hole 41, a limiting seat 5 and a rock drill shell 6.
Detailed Description
The embodiment of the utility model discloses hydraulic rock drill piston dismouting equipment to simplify the centering of rock drill casing and piston, simplify the centre gripping mode simultaneously, the hydraulic rock drill casing of being convenient for is fixed a position fast, makes the swift laborsaving of dismouting.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-4, fig. 1 is a schematic view of a partial structure of a hydraulic rock drill piston dismounting device according to an embodiment of the present invention; fig. 2 is a schematic view of a top view structure of a hydraulic rock drill piston dismounting device according to an embodiment of the present invention; fig. 3 is a schematic view of an installation position structure of the guiding unit and the limiting seat according to an embodiment of the present invention; fig. 4 is the embodiment of the utility model provides a hydraulic rock drill piston dismouting equipment's assembly structure shows.
In a specific embodiment, the utility model provides a hydraulic rock drill piston dismouting equipment, include:
the device comprises a base 1, wherein a clamping component used for fixing a rock drill shell 6 and a thrust unit 2 used for pushing a piston into the rock drill shell 6 are respectively arranged on the base 1;
the guide unit 4 and the limiting seat 5 are respectively arranged at two ends of the rock drill shell 6 along the axial direction, and two ends of the guide cavity along the axial direction are of an opening structure; the thrust unit 2 pushes the piston to move into the rock drill shell 6 along the guide cavity until the piston is contacted with the limiting seat 5.
The accessible drives base 1 and carries out the rock drill dismouting to waiting the operation position to solve the problem that rock drill dismouting place and workstation received the restriction, make the rock drill dismouting reach many places of production and accomplish the dismouting operation according to the operation needs. If the clamping assembly is arranged to be a clamping cylinder or other clamping structures, the clamping assembly and the thrust unit 2 are respectively and preferably fixedly connected with the base 1 in a detachable mode, so that the clamping assembly and the thrust unit can be conveniently disassembled, stored and carried.
The clamping assembly is in one embodiment provided as an annular support seat provided with a support surface for abutment with the wall surface of the rock drill shell 6, and comprises threaded fasteners arranged radially at both ends of the annular support seat, which threaded fasteners are movable radially on the annular support seat for pressing the rock drill shell 6 against the annular support seat by means of the threaded fasteners for fixing the same when the rock drill shell 6 is prevented in the annular support seat.
The thrust unit 2 may be provided as a cylinder, a hydraulic rod or other linear power unit. Base 1 and thrust unit 2 are if fixing through threaded fastener, and further, be equipped with on base 1 and be used for carrying out spacing groove to thrust unit 2's position, place thrust unit 2 in the spacing groove when the installation, can understand, the central line collineation of spacing groove and centre gripping subassembly to improve the assembly precision of rock drill casing 6 and piston, improve centering efficiency.
The guide unit 4 is provided with a guide cavity, the piston moves in the guide cavity to the direction close to the rock drill shell 6, in order to further improve the installation accuracy, the guide unit 4 can be fixed with the rock drill shell 6, such as by a threaded fastener, the diameter of the guide cavity can be set according to the diameter of the piston, the guide unit 4 is preferably set to be a cylindrical hollow shell, one side end wall of the cylindrical hollow shell is provided with a fixing hole arranged along the axial direction, the cylindrical hollow shell is fixed with the rock drill shell 6 through the fixing hole and the threaded fastener, the installation accuracy is further guaranteed, and the axial runout of the guide unit 4 is prevented from influencing the assembly efficiency.
Furthermore, the limiting seat 5 and the guiding unit 4 are respectively arranged at two ends of the rock drill shell 6 along the axial direction, the limiting seat 5 is used for limiting the maximum sliding position of the piston in the rock drill shell 6, and a limiting groove matched with the piston is preferably arranged on the limiting seat 5 so as to limit the piston when the piston moves to abut against the limiting groove. The limiting seat 5 is also provided with fixing holes for fixing with the rock drill shell 6 through threaded fasteners, and the number of the fixing holes is set according to requirements.
When the device is used, the rock drill shell 6 is fixed on the base 1 through the clamping assembly, the thrust unit 2 is fixed at a corresponding position, the piston is placed into the guide cavity, the guide unit 4 and the limiting seat 5 are respectively installed at two ends of the rock drill shell 6, then the thrust unit 2 is started to push the piston to move into the rock drill shell 6 along the guide cavity until one end of the piston abuts against the limiting seat 5, and the installation process of the piston is completed; when dismantling, take off rock drill casing 6 from the centre gripping subassembly and dismantle spacing seat 5 and guide unit 4 to install rock drill casing 6 front and back both ends on the centre gripping subassembly in opposite directions, promote the piston through thrust unit 2 and lift off from rock drill casing 6's installation entry, in order to realize the dismouting of piston and rock drill casing 6 from this, improve equipment operating efficiency, reduce working strength.
Compare in prior art, use the utility model provides a hydraulic rock drill piston dismouting equipment has following technological effect:
firstly, the rock drill shell 6 is clamped through the clamping assembly, and the rock drill shell 6 is quickly positioned, so that the rock drill shell is quickly and labor-saving to disassemble and assemble, and the working efficiency is improved;
secondly, the thrust unit 2 and the guide unit 4 are matched to provide power for the movement of the piston and guide the movement of the piston, so that the centering operation is simplified, and the centering efficiency and the installation efficiency are improved; meanwhile, the assembly precision of the impact piston is increased, and the occurrence rate of part damage is reduced;
thirdly, increase the impact piston assembly position precision through spacing seat 5, improve whole assembly precision.
Specifically, in order to facilitate observation of the position of the piston in the guide chamber, the guide unit 4 is provided with a plurality of observation holes 41 for observing the moving position of the piston in the guide chamber, and the plurality of observation holes 41 are uniformly arranged along the circumferential direction of the guide unit 4. Therefore, the position of the piston is clearly and visually observed, the thrust of the thrust unit 2 can be timely adjusted, the control force of the whole piston moving process is increased, and the assembling efficiency is improved. The observation holes 41 are preferably provided in 4 numbers, and are uniformly arranged in the circumferential direction.
Further, the guide unit 4 further includes:
along the fixing base that perpendicular to axial set up, be equipped with along the axial setting on the fixing base, be used for installing the fixed orifices of threaded fastener, guiding unit 4 is fixed with rock drill casing 6 through threaded fastener. The threaded fasteners are provided as bolts and correspondingly the rock drill housing 6 is provided with mounting holes for cooperation with the threaded fasteners. The number of threaded fasteners is set according to the type of rock drill housing 6 and the load-bearing capacity of the threaded fasteners. From this set up so that fix with rock drill casing 6, guarantee the axiality in piston and the 6 assembling process of rock drill casing for the dismouting is more accurate convenient.
In this particular embodiment, the clamping assembly comprises:
a clamping support seat 31 fixed with the base 1;
the clamping support seat 31 is detachably and fixedly connected with a plurality of clamping rings 32 used for fixing the rock drill shell 6, and the inner wall of any clamping ring 32 is provided with a limiting surface used for being attached to the wall surface of the rock drill shell 6 for clamping.
The clamping support seat 31 is fixed to the base 1 by screws such as bolts and screws so as to be conveniently assembled and disassembled. And meanwhile, the bottom of the clamping support seat 31 is provided with a support frame, so that the height of the rock drill shell 6 is adapted to the height of the thrust unit 2, and the rock drill shell is convenient to be matched with the thrust unit 2. Preferably, the clamping ring 32 is provided with a screw at two ends close to the clamping support 31 so as to fix the clamping support 31, and the clamping ring 32 is a major arc which cooperates with the upper surface of the clamping support 31 to form a cavity for fixing the rock drill shell 6. In one embodiment, the clamp ring 32 is hinged at one end and can be opened and closed at the other end, so that the installation operation is reduced, and the assembly efficiency is improved.
In one embodiment, the thrust unit 2 includes:
a propulsion cylinder 22 connected to the hydraulic system;
a thrust cylinder 22 supporting seat 21 for fixing with the base 1 and having a mounting hole for mounting the thrust cylinder 22.
The hydraulic system is arranged on the base 1, and the connection relationship between the pipelines and the valve members of the propulsion cylinder 22 and the hydraulic system is arranged according to the prior art. The movable end of the propulsion oil cylinder 22 is used for being matched with the piston to propel, a mounting hole is formed in the supporting seat 21 of the propulsion oil cylinder 22, the propulsion oil cylinder 22 is limited by the mounting hole, and the mounting hole and the propulsion oil cylinder 22 can be fixed through a threaded fastener, so that the firmness of the propulsion oil cylinder 22 is guaranteed. The thrust cylinder 22 allows adjustment of the pressure and the assembly position, ensuring that the impulse piston is thrust along the axis.
Further, the axis of the mounting hole and the centre line of the clamping ring 32 are collinear so that the rock drill housing 6 and the thrust cylinder 22 are coaxial.
Furthermore, a plurality of pulleys 11 are uniformly arranged at the bottom of the base 1. The base 1 serves as a moving carrier of the whole disassembling and assembling device, so that the problems that disassembling and assembling operation can only be carried out on a fixed tool platform and the operation range is limited are solved. Wherein, the removal and the control of base 1 are integrated in electric power system, and electric power system and hydraulic system all set up on base 1 to increase dismouting equipment operation area from this, enlarge the working range.
On the basis of the above embodiments, the method further includes:
the pressure detection unit is arranged on the limiting seat 5 and/or the thrust unit 2;
the control unit who is connected with thrust unit 2 and pressure detecting element respectively, in order to carry out automatic control to thrust unit 2, can set up pressure detecting element in one side that spacing seat 5 and/or thrust unit 2 and piston contact, preferably, set up pressure detecting element on spacing seat 5, control unit controls thrust unit 2 to stop when pressure detecting element's pressure is greater than or equal to the predetermined pressure value to satisfy the propulsive demand of hydraulic rock drill impact piston whole local range. The pressure detection unit is a pressure sensor, the type of which can be set according to the prior art.
The specific operation process is as follows:
the rock drill shell 6, the guide main body and the limiting seat 5 are connected and assembled into a whole by screws;
the piston is arranged in a guide cavity of the guide unit 4;
placing the components on a base 1, assembling a clamp component to clamp the components on the base 1, and screwing the clamp component by using screws;
after the position of the propulsion oil cylinder 22 is adjusted, a piston rod is inserted into the guide cavity, and the propulsion oil cylinder 22 is connected with the base 1 through screws;
connecting the lines and valves of the propulsion cylinder 22 to the hydraulic system;
starting an electric system to control a propulsion cylinder 22 and slowly propel the piston into the rock drill shell 6;
when the piston is disassembled, the limiting seat 5 is disassembled, and the rock drill shell 6 is reversely assembled with the clamp assembly and then the piston is stamped by the pushing oil cylinder 22.
The device solves the problems of limited field workbench, clamping and positioning, guiding and pressing depth of the impact piston in the pressing-in process in the dismounting process of the impact piston of the rock drill; the quick convenient location of rock drill casing 6, impact piston dismouting to realize impacting piston and rock drill casing 6's dismouting operation. Thrust unit 2, guide unit 4, spacing seat 5, centre gripping subassembly and base 1 make up, solve dismouting equipment, hydraulic rock drill and correspond the distance problem between the spare part, promote the suitability of equipment to it is more laborsaving.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (9)

1. The utility model provides a hydraulic rock drill piston dismouting equipment which characterized in that includes:
the device comprises a base, a piston and a clamping mechanism, wherein the base is respectively provided with a clamping component for fixing a rock drill shell and a thrust unit for pushing the piston into the rock drill shell;
the rock drill comprises a rock drill shell, a guide unit and a limiting seat, wherein the guide unit can be fixed with the rock drill shell and is provided with a guide cavity for mounting a piston, the limiting seat is used for limiting the mounting position of the piston, the guide unit and the limiting seat are respectively arranged at two ends of the rock drill shell along the axial direction, and two ends of the guide cavity along the axial direction are of an opening structure; and the thrust unit pushes the piston to move into the shell of the rock drill along the guide cavity until the piston is contacted with the limiting seat.
2. A hydraulic rock drill piston dismounting device according to claim 1, characterized in that the guide unit is provided with a plurality of observation holes for observing the position of the piston moving in the guide cavity, the plurality of observation holes being evenly arranged along the circumferential direction of the guide unit.
3. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in claim 2 wherein said guide unit further comprises:
along the fixing base of perpendicular to axial setting, be equipped with on the fixing base along the axial setting, be used for installing threaded fastener's fixed orifices, the guide unit warp threaded fastener is fixed with the rock drill casing.
4. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in claim 1 wherein the clamping assembly includes:
the clamping support seat is fixed with the base;
detachable fixed connection in on the centre gripping supporting seat, be used for fixed rock drill casing a plurality of grip ring, arbitrary the inner wall of grip ring is equallyd divide and is equipped with respectively and laminate the spacing face in order to carry out the centre gripping with the wall of rock drill casing.
5. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in claim 4 wherein the thrust unit includes:
the propelling oil cylinder is connected with the hydraulic system;
and the propulsion oil cylinder supporting seat is used for being fixed with the base and provided with a mounting hole for mounting the propulsion oil cylinder.
6. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in claim 5 wherein the axis of the mounting hole and the centre line of the gripping ring are collinear.
7. The hydraulic rock drill piston disassembling and assembling device according to claim 1, characterized in that a plurality of pulleys are uniformly arranged at the bottom of the base.
8. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in any one of claims 1-7 further comprising:
the pressure detection unit is arranged on the limiting seat and/or the thrust unit;
and the control unit is respectively connected with the thrust unit and the pressure detection unit, and controls the thrust unit to stop when the pressure of the pressure detection unit is greater than or equal to a preset pressure value.
9. A hydraulic rock drill piston disassembly and assembly apparatus as claimed in claim 8 wherein said pressure sensing unit is a pressure transducer.
CN202022921206.1U 2020-12-08 2020-12-08 Hydraulic rock drill piston dismounting device Active CN213828755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022921206.1U CN213828755U (en) 2020-12-08 2020-12-08 Hydraulic rock drill piston dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022921206.1U CN213828755U (en) 2020-12-08 2020-12-08 Hydraulic rock drill piston dismounting device

Publications (1)

Publication Number Publication Date
CN213828755U true CN213828755U (en) 2021-07-30

Family

ID=76996901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022921206.1U Active CN213828755U (en) 2020-12-08 2020-12-08 Hydraulic rock drill piston dismounting device

Country Status (1)

Country Link
CN (1) CN213828755U (en)

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