CN211517350U - Electric maintenance machine for hydraulic bolt stretcher - Google Patents
Electric maintenance machine for hydraulic bolt stretcher Download PDFInfo
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- CN211517350U CN211517350U CN201922172079.7U CN201922172079U CN211517350U CN 211517350 U CN211517350 U CN 211517350U CN 201922172079 U CN201922172079 U CN 201922172079U CN 211517350 U CN211517350 U CN 211517350U
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Abstract
The utility model discloses a hydraulic bolt stretcher electric maintenance machine, which comprises a bottom electric control supporting device and an upper pressing device, wherein the bottom electric control supporting device comprises a bottom frame, a plurality of inner ring struts, a motor reducer and a controller, the center of the bottom frame is provided with a center hole, the upper surface of the bottom frame is provided with a plurality of positioning holes, and the inner ring struts are detachably arranged on the positioning holes; the upper pressing device comprises a beam upper plate, a beam lower plate, a beam, a plurality of upper pressing columns and a lead screw, through holes corresponding to the central holes are formed in the beam upper plate, the beam lower plate, the beam, the plurality of upper pressing columns and the lead screw, the beam upper plate, the beam lower plate and the beam are erected between the beam upper plate and the beam lower plate, the upper pressing columns are installed on the beam, and one end of the lead screw penetrates through the beam, the beam upper plate and the beam. The utility model discloses an electrical system can more effectual dismantlement and installation hydraulic bolt elongator, and the inconvenience brought when the design of base surface hole site can reduce the regulation simultaneously improves the regulation precision.
Description
Technical Field
The utility model relates to a stretcher maintenance of equipment technical field especially relates to a hydraulic bolt stretcher electric maintenance machine.
Background
The hydraulic stretcher is widely applied to fastening and disassembling bolts in large-scale mechanical industries such as metallurgical mines, petrochemical industry, wind power generation, ship industry, rolling stock and the like, and along with the wider and higher use range and frequency of the stretcher, the maintenance of the stretcher in the use process is particularly important. When the stretcher is maintained, the stretcher oil cylinder and the piston of the stretcher need to be disassembled to maintain and replace the sealing ring inside or oil coating maintenance is carried out, the piston is required to vertically move up and down in the stretcher oil cylinder in the disassembling and installing processes, the phenomenon of inclination is not allowed to occur, and otherwise, the sealing ring can be mechanically damaged or extruded and broken. Therefore, the stretcher requires high and accurate disassembly and assembly during maintenance and repair.
The hydraulic cylinder maintenance device provided by the chinese patent application No. 201721650102.3 can realize quick assembly and disassembly of the hydraulic cylinder, and can ensure that the piston does vertical up-and-down motion in the cylinder body during disassembly and assembly, thereby avoiding the problem that the seal ring is broken due to the inclination of the piston in the cylinder body. However, in the using process, the rotating handle needs to be manually rotated to enable the large screw rod to vertically move, so that the upper pressing device is driven to integrally vertically move, the influence of human factors on the device in the using process is large, and the consumed time is long;
on the other hand, when hydraulic cylinders of different specifications are disassembled, the position of the sliding upright post needs to be adjusted to adapt to the specification of the sliding upright post, but the sliding groove does not have corresponding specification setting, so that multiple attempts are needed to determine whether the required position is achieved, and the sliding upright post is not detachable, so that the sliding upright post needs to be used for propping against the cylinder body for installation during installation, the sliding upright post needs to be adjusted, and the phenomenon that the sliding upright post is displaced during the use due to unstable fixation can occur in the design of the sliding groove.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic bolt elongator electric maintenance machine can be when using the pneumatic cylinder in order to correspond different specifications of more accurate regulation to raise the efficiency, and the pneumatic cylinder is put more firmly in the use, easier to operate.
In order to achieve the above object, the utility model adopts the following technical scheme:
a hydraulic bolt tensioner electric maintenance machine comprising: comprises a bottom electric control supporting device and an upper pressing device;
the bottom electric control supporting device comprises a bottom frame, a plurality of inner ring supporting columns, a motor reducer and a controller, wherein a center hole is formed in the center of the bottom frame, a through hole with a key groove is formed in the motor reducer, a plurality of positioning holes are formed in the upper surface of the bottom frame, the inner ring supporting columns are detachably mounted on the positioning holes, and the controller is mounted on the bottom frame and used for driving the motor reducer;
the upper pressing device comprises an upper beam plate, a lower beam plate, a beam, a plurality of upper pressing columns and a lead screw, through holes corresponding to the central holes are formed in the centers of the upper beam plate, the lower beam plate and the beam, the beam is erected between the upper beam plate and the lower beam plate, the upper pressing columns are installed on the beam, and one end of the lead screw penetrates through the beam, the upper beam plate and the lower beam plate and is connected with the motor reducer.
Preferably, the bottom frame includes bottom plate, upper plate, curb plate and a plurality of pillar, the centre bore is located the corresponding position of bottom plate and upper plate, the one end of pillar is fixed on the bottom plate, the other end of pillar with the upper plate is fixed, and the pillar is used for supporting the bottom frame, the curb plate encloses around the underframe frame.
Preferably, the through-hole of taking the keyway on the motor reduction gear for cup joint bottom thread bush, the outer wall of bottom thread bush is equipped with the boss, with the keyway cooperation in the motor reduction gear through-hole, the motor reduction gear can drive the rotation of bottom thread bush.
Preferably, the positioning holes are uniformly distributed on the upper plate by taking the central hole of the bottom frame as the center circumference, and the positions of the positioning holes are fixedly designed according to the sizes of various types of stretchers, so that the positioning is more accurate during adjustment.
Preferably, one end of the inner ring strut is in a cross shape and is tightly matched with the positioning hole, and the other end of the inner ring strut is in an L-shaped step shape and is used for propping against a piston of the stretcher.
Preferably, the number of the cross beams is two, the cross beams are in a cross shape after being assembled in a crossed mode, and the cross beams are fixed between the upper plate and the lower plate of the cross beams through locking nuts.
Preferably, the number of the upper compression columns is four, the upper compression columns are distributed on the cross beam in a central symmetry mode, and the upper compression columns can be freely adjusted along the direction of the cross beam.
Preferably, one end of the screw rod is provided with threads which are sleeved in a bottom thread sleeve, and the bottom thread sleeve drives the screw rod to move along the axial direction.
Preferably, the other end of the screw rod is provided with a circular boss, a thrust ball bearing is arranged between the circular boss and the beam upper plate, and a through hole is formed in the side face of the circular boss, so that the screw rod can be conveniently assisted by manpower when the motor power is insufficient.
Preferably, the hydraulic bolt tensioner electric maintenance machine is provided with an electric control box for controlling the work of the controller.
The beneficial effects of the utility model reside in that:
the utility model discloses be equipped with electric control system, through automatically controlled box and controller control motor reduction gear, motor reduction gear's inside rotating assembly drives the bottom thread bush rotatory, and the screw-thread fit on by the screw thread in the bottom thread bush and the lead screw drives the lead screw along axial motion, then presses thrust ball bearing and crossbeam upper plate, crossbeam hypoplastron and the crossbeam in the middle of and do vertical motion together through the circular boss on the lead screw to realize stretcher dismantlement and installation function.
In the process, the beneficial effects are as follows:
1. the electric control system is used, so that the instability caused by human factors is eliminated, and the use efficiency is improved;
2. the sliding grooves are replaced by a group of positioning holes, the hole positions are fixedly designed according to the sizes of the stretchers of various models, when the adjustment is carried out, only a proper hole position needs to be found according to the models of the stretchers, the inner ring strut is inserted into the hole position for fixing, multiple attempts are not needed, the adjustment efficiency is improved, and because the sizes of the positioning holes and the inner ring strut are matched with each other and the inner ring strut is tightly matched with the positioning holes, the unstable fixation phenomenon cannot occur in the use process, so that the disassembly precision is improved;
3. due to the detachable design of the inner ring support column, the stretcher can be directly placed on the speed reducer base plate for installation, the support column does not need to be used for supporting, the risk of instability of the support column in the process of adjusting specifications and the installation process is reduced, and the installation efficiency and the accuracy are improved.
Drawings
Fig. 1 is the cross-sectional view of the electric maintenance machine for hydraulic bolt tensioner of the present invention.
Fig. 2 is a distribution diagram of the inner ring pillar mounting positioning hole of the present invention.
Fig. 3 is a schematic structural view of the inner ring pillar according to the present invention.
Fig. 4 is a schematic diagram of a through hole of the motor reducer of the present invention.
Fig. 5 is a schematic structural diagram of the bottom thread bushing of the present invention.
Fig. 6 is a schematic structural view of the screw rod of the present invention.
Fig. 7 is an installation diagram of the screw rod, the bottom thread bush and the motor reducer of the present invention.
FIG. 8 is an operation diagram of a hydraulic bolt tensioner electric maintenance machine detaching tensioner in the embodiment.
FIG. 9 is an operation diagram of the hydraulic bolt tensioner electric service machine installation tensioner in the embodiment.
Description of reference numerals:
100. a bottom electrically controlled support device; 110. a bottom frame; 111. positioning holes; 112. a base plate; 113. an upper plate; 114. a side plate; 115. a pillar; 120. an inner ring strut; 130. a motor reducer; 131. a bottom threaded sleeve; 140. a controller;
200. an upper hold-down device; 210. a beam upper plate; 220. a cross beam lower plate; 230. a cross beam; 240. pressing the column upwards; 250. a screw rod; 260. a thrust ball bearing;
300. a hydraulic bolt tensioner; 310. a piston; 320. and an oil cylinder.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways.
Referring to fig. 1 and 2, the electric maintenance machine for the hydraulic bolt tensioner is an electric control lifting device, and comprises a bottom electric control supporting device 100 and an upper pressing device 200;
the bottom electric control supporting device 100 comprises a bottom frame 110, a plurality of inner ring struts 120, a motor reducer 130 and a controller 140, wherein a center hole is formed in the center of the bottom frame 110, a through hole with a key slot is formed in the motor reducer 130, a plurality of positioning holes 111 are formed in the upper surface of the bottom frame 110, the inner ring struts 120 are detachably mounted on the positioning holes 111, and the controller 140 is mounted on the bottom frame 110 and used for driving the motor reducer 130;
the bottom frame 110 includes a bottom plate 112, an upper plate 113, a side plate 114 and a plurality of pillars 115, the central hole is located at a corresponding position of the bottom plate 112 and the upper plate 113, one end of the pillar 115 is fixed on the bottom plate 112, the other end of the pillar 115 is fixed with the upper plate 113, the pillar 115 is used for supporting the bottom frame 110, and the side plate 114 surrounds the bottom frame 110.
The upper pressing device 200 comprises a beam upper plate 210, a beam lower plate 220, a beam 230, four upper pressing columns 240 and a screw rod 250, the centers of the beam upper plate 210, the beam lower plate 220 and the beam 230 are all provided with through holes corresponding to the central holes, the beam 230 is erected between the beam upper plate 210 and the beam lower plate 220, the upper pressing columns 240 are installed on the beam 230, and one end of the screw rod 250 penetrates through the beam 230 and the beam upper and lower plates to be connected with the motor reducer 130;
two cross beams 230 are provided, are cross-shaped after being cross-assembled and are fixed between the upper plate and the lower plate of the cross beam through locking nuts; the upper compression columns 240 are distributed on the cross beam 230 in a central symmetry manner and can be freely adjusted along the direction of the cross beam, so that the stretcher can be suitable for stretchers with different sizes and specifications.
As shown in fig. 2, the positioning holes 111 are uniformly distributed on the upper plate 112 of the speed reducer around the central hole of the bottom frame, and the positions of the positioning holes 111 are designed according to the dimensions of the tensioners of various types, so that the positioning is more accurate during adjustment, and the positioning holes 111 in this embodiment are preferably square slots.
As shown in fig. 3, one end of the inner ring strut 120 is cross-shaped to be closely fitted to the positioning hole 111, and the other end is L-shaped step-shaped to be pressed against the piston of the tensioner.
As shown in fig. 4 and 5, the through hole with the key slot on the motor reducer 130 is used for sleeving the bottom threaded sleeve 131, the outer wall of the bottom threaded sleeve 131 is provided with a boss which is matched with the key slot in the through hole of the motor reducer 130, and the motor reducer 130 can drive the bottom threaded sleeve 131 to rotate through the gear linkage conversion of the internal rotating component.
As shown in fig. 6 and 7, one end of the screw rod 250 is provided with a thread, which is sleeved in the bottom thread bushing 131, and the rotation of the bottom thread bushing 131 drives the screw rod 250 to move along the axial direction;
the other end of the screw rod 250 is provided with a circular boss, a thrust ball bearing 260 is arranged between the circular boss and the beam upper plate 210, the friction between the screw rod 250 and the beam upper plate 210 can be reduced by the thrust ball bearing 260, and the side surface of the circular boss is provided with a through hole, so that the manual assistance can be facilitated when the motor power is insufficient.
In addition, the hydraulic bolt tensioner electric maintenance machine is provided with an electric control box for controlling the work of the controller.
The preset functions of the present invention will be explained in detail with reference to fig. 8 and 9;
the disassembly function comprises the following concrete disassembly steps:
the first step is as follows: the upper hold-down device 200 is removed.
The second step is that: according to the size of the stretcher 300, the inner ring struts 120 are inserted into the corresponding positioning holes 111.
The third step: the corresponding tensioner 300 is placed on the inner ring strut 120 with the inner ring strut 120 against the bottom of the piston 310.
The fourth step: mounting the upper hold-down device 200: first, the silk: 250 are threaded through the stretcher 300 and the bottom threaded sleeve 131; then, the position of the upper pressure columns 240 on the cross member 230 is adjusted, and each upper pressure column 230 is completely pressed against the top end position of the cylinder 320.
The fifth step: the motor starting button is pressed down, the motor reducer 130 starts to work, the internal rotating assembly of the motor reducer 130 drives the bottom threaded sleeve 131 to rotate, threads in the bottom threaded sleeve 131 are matched with threads on the screw rod 250 to drive the screw rod 250 to move axially, then the thrust ball bearing 260 and the cross beam upper plate 210, the cross beam lower plate 220 and the cross beam 230 in the middle of the cross beam upper plate and the cross beam lower plate are pressed by the round boss of the screw rod 250 to vertically move up and down, then the four upper pressure columns 240 sleeved on the cross beam 230 are contacted with the stretcher to enable the stretcher cylinder body 320 to move downwards, the piston 310 of the stretcher is supported by the inner ring support columns 120, and finally the piston 310 of the stretcher and the cylinder body 320 form relative movement, so that the stretcher dismounting function is realized.
And a sixth step: and (5) maintenance and repair.
The installation function: the piston 310 of the stretcher is pressed by the upper pressing column 240 of the upper pressing device 200 to move downwards, and meanwhile, the oil cylinder 320 of the stretcher is supported by the reducer upper plate 113 of the bottom electric control supporting device 100 to keep still, so that the piston 310 is pressed into the oil cylinder 320 of the stretcher to complete installation.
The steps of the stretcher installation process and the steps of the disassembly process are basically consistent, and the main difference is that the third step: the installation method is to place the stretcher 300 directly on the decelerator upper plate 113. The fifth step: each platen is evenly distributed at the top position of the piston 310.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a hydraulic pressure bolt elongator electric maintenance machine which characterized in that: comprises a bottom electric control supporting device and an upper pressing device;
the bottom electric control supporting device comprises a bottom frame, a plurality of inner ring supporting columns, a motor reducer and a controller, wherein a center hole is formed in the center of the bottom frame, a through hole with a key groove is formed in the motor reducer, a plurality of positioning holes are formed in the upper surface of the bottom frame, the inner ring supporting columns are detachably mounted on the positioning holes, and the controller is mounted on the bottom frame and used for driving the motor reducer;
the upper pressing device comprises an upper beam plate, a lower beam plate, a beam, a plurality of upper pressing columns and a lead screw, through holes corresponding to the central holes are formed in the centers of the upper beam plate, the lower beam plate and the beam, the beam is erected between the upper beam plate and the lower beam plate, the upper pressing columns are installed on the beam, and one end of the lead screw penetrates through the beam, the upper beam plate and the lower beam plate and is connected with the motor reducer.
2. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the bottom frame comprises a bottom plate, an upper plate, side plates and a plurality of supporting columns, wherein the central hole is formed in the corresponding position of the bottom plate and the corresponding position of the upper plate, one ends of the supporting columns are fixed on the bottom plate, the other ends of the supporting columns are fixed on the upper plate, and the side plates are enclosed around the bottom frame.
3. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the through hole with the key groove in the motor reducer is used for being sleeved with the bottom threaded sleeve, and the outer wall of the bottom threaded sleeve is provided with a boss matched with the key groove in the through hole of the motor reducer.
4. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the positioning holes are uniformly distributed on the upper plate by taking the central hole of the bottom frame as the center circumference, and the positions of the positioning holes are fixedly designed according to the sizes of various types of stretchers.
5. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: one end of the inner ring strut is in a cross shape and is tightly matched with the positioning hole, and the other end of the inner ring strut is in an L-shaped step shape and is used for propping against a piston of the stretcher.
6. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the two cross beams are crossed after being assembled and fixed between the upper plate and the lower plate of the cross beam through locking nuts.
7. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the number of the upper compression columns is four, and the upper compression columns are distributed on the cross beam in a central symmetry manner.
8. The hydraulic bolt tensioner electric maintenance machine of claim 3, characterized by: and one end of the screw rod is provided with a thread which is sleeved in the bottom thread sleeve.
9. The hydraulic bolt tensioner electric maintenance machine of claim 8, characterized by: the other end of the screw rod is provided with a circular boss, a thrust ball bearing is arranged between the circular boss and the beam upper plate, and a through hole is formed in the side face of the circular boss.
10. The hydraulic bolt tensioner electric maintenance machine of claim 1, characterized by: the hydraulic bolt tensioner electric maintenance machine is provided with an electric control box for controlling the work of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172079.7U CN211517350U (en) | 2019-12-06 | 2019-12-06 | Electric maintenance machine for hydraulic bolt stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172079.7U CN211517350U (en) | 2019-12-06 | 2019-12-06 | Electric maintenance machine for hydraulic bolt stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211517350U true CN211517350U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922172079.7U Active CN211517350U (en) | 2019-12-06 | 2019-12-06 | Electric maintenance machine for hydraulic bolt stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211517350U (en) |
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2019
- 2019-12-06 CN CN201922172079.7U patent/CN211517350U/en active Active
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