CN210678612U - Mud pump piston rod fixing and clamping device - Google Patents
Mud pump piston rod fixing and clamping device Download PDFInfo
- Publication number
- CN210678612U CN210678612U CN201921533183.8U CN201921533183U CN210678612U CN 210678612 U CN210678612 U CN 210678612U CN 201921533183 U CN201921533183 U CN 201921533183U CN 210678612 U CN210678612 U CN 210678612U
- Authority
- CN
- China
- Prior art keywords
- binding clip
- clamping device
- piston rod
- pin shaft
- workbench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a mud pump piston rod fixing and clamping device, which comprises a workbench, wherein a first clamping device and a second clamping device are symmetrically arranged on the workbench, and clamping spaces of the first clamping device and the second clamping device are positioned on the same axis; the first clamping device and the second clamping device respectively comprise an upper binding clip, a lower binding clip and a binding clip pre-tightening device, the lower binding clip is fixed on the workbench, one end of the upper binding clip is rotatably connected with the workbench, the upper binding clip and the lower binding clip can be occluded to form a clamping space for clamping the piston rod, the free end of the upper binding clip is connected with a notch, and the binding clip pre-tightening device fixes the free end of the upper binding clip through the notch. The utility model discloses can not cause the moment of torsion to the piston rod of centre gripping, and can restrict the degree of freedom of piston rod in the triaxial direction simultaneously, reduce the probability that the piston rod takes place relative displacement when dismantling the piston, prevent to damage the piston rod.
Description
Technical Field
The utility model relates to a drilling tool field, concretely relates to mud pump piston rod fixing and clamping device.
Background
The mud pump is used for injecting mud into the underground while drilling, cooling the drill bit, cleaning the drilling tool, fixing the well wall, driving drilling and bringing rock debris back to the ground. In the use, the wearing and tearing of piston can not be avoided, just need carry out the change of piston when wearing and tearing to certain degree, when changing the piston, most time piston rod can used repeatedly, and this just needs to demolish old piston from the piston rod, then changes the piston of renewal, and traditional mode of changing adopts breakout tongs or chain tongs, must need 2-3 people to accomplish this operation, consuming time, hard, work efficiency is low, has the injury risk simultaneously.
Chinese patent (CN 205852574U) discloses a bench vice capable of limiting multiple degrees of freedom, which can be used for clamping piston rods, and the technical scheme main points are: including first clamping device, still including the second clamping device who is located first clamping device side, second clamping device is including pressing from both sides tight block subassembly, press from both sides tight block subassembly including with first clamping device fixed connection's fixed clamp tight piece, with the fixed clamp tight piece cooperation with the activity of pressing from both sides tight piece of tight part, the activity is pressed from both sides tight one side that the piece deviates from the fixed clamp tight piece and is equipped with and is used for pushing up the tight pressure device on the tight piece of fixed clamp with the activity top. According to the arrangement, after the first clamping device clamps the part, the second clamping device limits the part exposed out of the first clamping device from the side edge; on the basis of two degree of freedom limits of an original clamping device on a part, two degree of freedom limits provided by a second clamping device are added, the limiting degree is improved, and the condition that the part is subjected to relative displacement is reduced.
However, after the first clamping device clamps the part, the second clamping device limits the part exposed out of the first clamping device from the side edge, that is, the first clamping device and the second clamping device are vertically arranged, so that the second clamping device can generate a certain torque to the clamped part, and the piston rod can generate a certain degree of torsional deformation or scratch under the action of the torque.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mud pump piston rod fixing and clamping device with simple structure and convenient use aiming at the defects existing in the prior art.
The technical scheme of the utility model is that:
a piston rod fixing and clamping device of a slurry pump comprises a workbench, wherein a first clamping device and a second clamping device are symmetrically arranged on the workbench, and clamping spaces of the first clamping device and the second clamping device are located on the same axis;
the first clamping device comprises a first upper tong head, a first lower tong head and a first tong head pre-tightening device, the first lower tong head is fixed on the workbench, one end of the first upper tong head is rotatably connected with the workbench, the first upper tong head and the first lower tong head can be occluded to form a clamping space for clamping the piston rod, the free end of the first upper tong head is connected with a first notch, and the first tong head pre-tightening device fixes the free end of the first upper tong head through the first notch;
the second clamping device comprises a second upper binding clip, a second lower binding clip and a second binding clip pre-tightening device, the second lower binding clip is fixed on the workbench, one end of the second upper binding clip is rotatably connected with the workbench, the second upper binding clip and the second lower binding clip can be occluded to form a clamping space for clamping the piston rod, the free end of the second upper binding clip is connected with a notch, and the second binding clip pre-tightening device is fixed at the free end of the second upper binding clip through the notch.
Furthermore, the first binding clip preloading device comprises a first fixing portion and a first fixing bolt, the first fixing portion is fixed on the workbench, the first fixing bolt is rotatably connected with the first fixing portion, and the first fixing bolt is connected with the first notch in a matched mode.
Furthermore, the second tong head pre-tightening device comprises a second fixing portion and a second fixing bolt, the second fixing portion is fixed on the workbench, the second fixing bolt is rotatably connected with the second fixing portion, and the second fixing bolt is connected with the second notch in a matched mode.
Furthermore, the first fixing part comprises a first pin shaft seat and a first pin shaft, and a through hole matched with the first pin shaft is formed in the lower end of the stud of the first fixing bolt and is linked with the first pin shaft.
Furthermore, the second fixing part comprises a second pin shaft seat and a second pin shaft, and a through hole matched with the second pin shaft is formed in the lower end of the stud of the second fixing bolt and is linked with the second pin shaft.
Furthermore, a lining plate is arranged on the workbench, a third pin shaft seat and a third pin shaft are fixedly arranged on the lining plate, and a through hole matched with the third pin shaft is formed in the lower end of the first upper tong head or the second upper tong head and is linked with the third pin shaft.
Furthermore, the clamping end of the first upper tong head or the second upper tong head is V-shaped, and the clamping end of the first lower tong head or the second lower tong head is arc-shaped.
Furthermore, the lower end surface of the workbench is connected with 4 upright posts.
Further, the nut of the first fixing bolt or the second fixing bolt is a butterfly nut.
Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses can not cause the moment of torsion to the piston rod of centre gripping, and can restrict the degree of freedom of piston rod in the triaxial direction simultaneously, reduce the probability that the piston rod takes place relative displacement when dismantling the piston, prevent to damage the piston rod.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the clamping device comprises a stand column, 2, a workbench, 3, a first pin shaft seat, 4, a first pin shaft, 5, a first fixing bolt, 6, a first notch, 7, a first upper clamp head, 8, a piston rod, 9, a second pin shaft seat, 10, a second pin shaft, 11, a first lower clamp head, 12, a piston, 13, a nut, 14, a lining plate, 15, a third pin shaft seat, 16, a third pin shaft, 17, a second fixing bolt, 18, a second upper clamp head, 19, a second lower clamp head, 20 and a second notch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that all directional indications (such as up, down, left, right, front, and back … …) in the embodiments of the present invention are limited to relative positions on a given view, not absolute positions.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example 1
Referring to fig. 1, a mud pump piston rod fixing and clamping device comprises a workbench 2, 4 upright posts 1 are connected to the lower end face of the workbench 2, a lining plate 14 is arranged on the upper end face of the workbench 2 (the lining plate 14 is fixed with the lower bottom face of the workbench 2 through bolts, the thickness of the lining plate 14 can be adjusted and changed, so that piston rods 8 with different diameters can be clamped in a clamping mode), a third pin shaft seat 15 and a third pin shaft 16 are fixedly arranged on the lining plate 14, a first clamping device and a second clamping device are further arranged on the same side, located on the third pin shaft seat 15 and the third pin shaft 16, of the workbench, clamping spaces of the first clamping device and the second clamping device are located on the same axis, and the axis is perpendicular to the rotating direction of the third pin shaft 16;
the first clamping device comprises a first upper binding clip 7, a first lower binding clip 11 and a first binding clip pre-tightening device, the first lower binding clip 11 is welded and fixed on the workbench 2, the first upper binding clip 7 and the first lower binding clip 11 can be occluded to form a clamping space for clamping the piston rod 8, the lower end of the first upper binding clip 7 is provided with a through hole matched with a third pin shaft 16 and is linked with the third pin shaft 16, the free end (the end far away from the third pin shaft) of the first upper binding clip 7 is welded with a first notch 6, the first notch 6 is H-shaped, the opening at one end is welded with the free end of the first upper binding clip 7, the opening at the other end is matched and connected with the first binding clip pre-tightening device, the first binding clip pre-tightening device comprises a first pin shaft seat 3, a first pin shaft 4 and a first fixing bolt 5, the first pin shaft 3 is welded and fixed on the workbench, the first pin shaft 4 is rotatably connected with the first pin shaft seat 3, the lower end of the first fixing bolt 5 is provided with a through hole matched with the first pin shaft, and is linked with the first pin shaft 4, and the first fixing bolt 5 is matched and connected with the first notch 6, so that the free end of the first upper tong head 7 is fixed.
The second clamping device comprises a second upper binding clip 18, a second lower binding clip 19 and a second binding clip pre-tightening device, the second lower binding clip 19 is welded and fixed on the workbench 2, the second upper binding clip 18 and the second lower binding clip 19 can be occluded to form a clamping space for clamping the piston rod 8, the lower end of the second upper binding clip 18 is provided with a through hole matched with a third pin shaft 16 and is linked with the third pin shaft 16, the free end (the end far away from the third pin shaft) of the second upper binding clip 18 is welded with a second notch 20, the second notch 20 is H-shaped, the opening at one end is welded with the free end of the second upper binding clip 18, the opening at the other end is matched and connected with the second binding clip pre-tightening device, the second binding clip pre-tightening device comprises a second pin shaft seat 9, a second pin shaft 10 and a second fixing bolt 17, the second pin 9 is welded and fixed on the workbench, the second pin shaft 10 is rotatably connected with the second pin shaft seat 9, the lower end of the second fixing bolt 17 is provided with a through hole matched with the second pin shaft seat 10, and is linked with the second pin shaft 10, and the second fixing bolt 17 is matched and connected with the second notch 20, so that the free end of the second upper tong head 18 is fixed.
The working principle is as follows: when the piston 12 is replaced, the old piston 12 and the piston rod 8 are placed on the first lower binding clip 11 and the second lower binding clip 19, the first upper binding clip 7 and the second upper binding clip 18 are respectively put down, the first fixing bolt 5 and the second fixing bolt 17 are respectively pushed into the first notch 6 and the second notch 20, the first fixing bolt 5 and the second fixing bolt 17 are respectively screwed, the piston rod 8 is tightly fixed between the first upper binding clip 7 and the first lower binding clip 11 as well as between the second upper binding clip 18 and the second lower binding clip 19, then the nut 13 of the fixed piston 12 is dismounted by using a pipe wrench or a spanner, the old piston is taken down, a new piston is installed, the nut is reloaded and fastened, the piston 12 is completely replaced, the utility model can not cause torque to the clamped piston rod, can simultaneously limit the degree of freedom of the piston rod in the three-axis direction, and reduce the probability of relative displacement of the piston rod when the piston rod is dismounted, preventing damage to the piston rod.
Example 2
On embodiment 1's basis, for improving the utility model discloses a commonality and damage prevention piston rod, the exposed core of binding clip 18 is the V type on binding clip 7 and the second on, and binding clip 19 exposed core is the arc under first binding clip 11 and the second to all set up anti-skidding protection pad at the exposed core.
Example 3
On the basis of embodiment 1, the nuts of the first fixing bolt 5 and the second fixing bolt 17 are wing nuts, which facilitates manual tightening or loosening of the first fixing bolt 5 and the second fixing bolt 17.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a mud pump piston rod clamping device which characterized in that: the clamping device comprises a workbench, wherein a first clamping device and a second clamping device are symmetrically arranged on the workbench, and clamping spaces of the first clamping device and the second clamping device are positioned on the same axis;
the first clamping device comprises a first upper tong head, a first lower tong head and a first tong head pre-tightening device, the first lower tong head is fixed on the workbench, one end of the first upper tong head is rotatably connected with the workbench, the first upper tong head and the first lower tong head can be occluded to form a clamping space for clamping the piston rod, the free end of the first upper tong head is connected with a first notch, and the first tong head pre-tightening device fixes the free end of the first upper tong head through the first notch;
the second clamping device comprises a second upper binding clip, a second lower binding clip and a second binding clip pre-tightening device, the second lower binding clip is fixed on the workbench, one end of the second upper binding clip is rotatably connected with the workbench, the second upper binding clip and the second lower binding clip can be occluded to form a clamping space for clamping the piston rod, the free end of the second upper binding clip is connected with a notch, and the second binding clip pre-tightening device is fixed at the free end of the second upper binding clip through the notch.
2. The mud pump piston rod clamping device as set forth in claim 1, wherein: the first tong head pre-tightening device comprises a first fixing portion and a first fixing bolt, the first fixing portion is fixed on the workbench, the first fixing bolt is rotatably connected with the first fixing portion, and the first fixing bolt is connected with the first notch in a matched mode.
3. The mud pump piston rod clamping device as set forth in claim 1, wherein: the second tong head pre-tightening device comprises a second fixing portion and a second fixing bolt, the second fixing portion is fixed on the workbench, the second fixing bolt is rotatably connected with the second fixing portion, and the second fixing bolt is connected with the second notch in a matched mode.
4. The mud pump piston rod clamping device as set forth in claim 2, wherein: the first fixing part comprises a first pin shaft seat and a first pin shaft, and a through hole matched with the first pin shaft is formed in the lower end of the stud of the first fixing bolt and is linked with the first pin shaft.
5. The mud pump piston rod clamping device as set forth in claim 3, wherein: the second fixing part comprises a second pin shaft seat and a second pin shaft, and a through hole matched with the second pin shaft is formed in the lower end of the stud of the second fixing bolt and is linked with the second pin shaft.
6. The mud pump piston rod clamping device as set forth in claim 1, wherein: the working table is provided with a lining plate, a third pin shaft seat and a third pin shaft are fixedly arranged on the lining plate, and the lower end of the first upper binding clip or the second upper binding clip is provided with a through hole matched with the third pin shaft and linked with the third pin shaft.
7. The mud pump piston rod clamping device as set forth in claim 1, wherein: the first upper tong head or the second upper tong head clamping end is V-shaped, and the first lower tong head or the second lower tong head clamping end is arc-shaped.
8. The mud pump piston rod clamping device as claimed in any one of claims 1 to 7, wherein: the lower end face of the workbench is connected with 4 upright posts.
9. The mud pump piston rod clamping device as set forth in claim 2 or 3, wherein: the nut of the first fixing bolt or the second fixing bolt is a butterfly nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921533183.8U CN210678612U (en) | 2019-09-16 | 2019-09-16 | Mud pump piston rod fixing and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921533183.8U CN210678612U (en) | 2019-09-16 | 2019-09-16 | Mud pump piston rod fixing and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210678612U true CN210678612U (en) | 2020-06-05 |
Family
ID=70904275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921533183.8U Active CN210678612U (en) | 2019-09-16 | 2019-09-16 | Mud pump piston rod fixing and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210678612U (en) |
-
2019
- 2019-09-16 CN CN201921533183.8U patent/CN210678612U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108818403A (en) | A kind of cylinder sleeve provision for disengagement | |
| CN210678612U (en) | Mud pump piston rod fixing and clamping device | |
| CN210849268U (en) | Metal plastic working fixing device | |
| CN212553585U (en) | Power plant guide shoe gap adjusting tool | |
| CN211900517U (en) | Safe pipe clamping pliers device of drilling machine | |
| CN210966754U (en) | High-efficiency multifunctional steel bar flattening and skewing device | |
| CN211729142U (en) | Traction pin hydraulic dismounting device | |
| CN210335121U (en) | Hydraulic tensioning device suitable for thick frame machine | |
| CN204893856U (en) | Dismouting piston nut's clamping tools | |
| CA1086339A (en) | Clamp wedge | |
| CN212512804U (en) | Drill rod holder | |
| CN106122373B (en) | A kind of steel wire rope is installed into the installation tool of wedge joint | |
| CN200992806Y (en) | Steelpipe scaffold and support clamping-type connecting piece | |
| CN217223921U (en) | Multifunctional knocking pipe wrench | |
| CN217453784U (en) | High lock bolt extracting tool | |
| CN213136606U (en) | Simple and convenient impactor extracting tool | |
| CN214997524U (en) | High-strength casing power tongs for petroleum energy exploitation | |
| CN205464465U (en) | Manual fast quick -mounting clamps to be put | |
| CN213627455U (en) | Geological drill rod for coal mining | |
| CN213703100U (en) | Pipe head locking pliers for logging instrument | |
| CN213258197U (en) | CNC taper pipe tube bundle anchor clamps | |
| CN219472049U (en) | Drill rod dismounting device | |
| CN217749477U (en) | Square steel pipe joint boring grab | |
| CN216152228U (en) | Installation auxiliary tool of pneumatic frame column type drilling machine | |
| CN210189673U (en) | Special detaching tool for pump shaft clamping sleeve of condensate pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |