CN220432868U - Drill rod clamping device - Google Patents
Drill rod clamping device Download PDFInfo
- Publication number
- CN220432868U CN220432868U CN202321884153.8U CN202321884153U CN220432868U CN 220432868 U CN220432868 U CN 220432868U CN 202321884153 U CN202321884153 U CN 202321884153U CN 220432868 U CN220432868 U CN 220432868U
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- assembly
- rod
- transmission rod
- oil cylinder
- rotating arm
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- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 238000010079 rubber tapping Methods 0.000 claims abstract description 23
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a drill rod clamping device, and relates to the technical field of tapping machines. The drill rod clamping device comprises a protection plate assembly, a clamping hook assembly, a transmission rod assembly and an oil cylinder assembly; the transmission rod is driven by the oil cylinder to clamp or loosen the first rotating arm and the second rotating arm; the drill rod clamping device clamps the drill rod through a clamping hook in a clasping way, so that the drill rod is accurately aligned to the iron notch; when the drill rod is replaced, the drill rod is easy to replace because the lower part of the protection plate is slotted and has no L-shaped support; the protection plate component is tightly connected with the support through the fixed hook and the inclined wedge, and the disassembly and the assembly are simple; and the upper part and the lower part of the protection plate are connected through bolts, so that the whole replacement is not needed after the protection plate is damaged, and the maintenance cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of tapping machines, and relates to a drill rod clamping device.
Background
The tapping machine is one of key equipment in front of an iron-making blast furnace, and has the function of opening a tapping hole at a certain angle so that molten iron smoothly flows out of a channel and modern blast furnace smelting is realized. The tapping machine mainly comprises a drill rod supporting plate and a drilling part, but when the blast furnace tapping machine is used for tapping a tap hole by using a drill rod, the drill rod generates deflection due to overlong drill rod in the drilling process to cause deviation of a drilling channel, so that the drill rod is required to be clamped and fixed.
The existing tapping machine is characterized in that a drill rod supporting plate is designed at the front end of a rail beam of the tapping machine and used for supporting a drill rod to finish tapping operation of the tapping machine, and a heat insulation plate is further arranged on a tray bottom plate; moreover, the drill rod supporting plate of the existing tapping machine only plays a role in supporting the drill rod, and the upward tilting of the drill rod in the tapping process cannot be prevented; the heat insulating plate of the drill rod supporting plate is combined with the bottom plate through the round head bolt and the nut, so that the heat insulating plate cannot be replaced after the refractory material is sprayed: the drill rod supporting plate is an integral piece, and needs to be replaced integrally when damaged, so that the maintenance cost is high; the drill rod is replaced, the drill rod is required to be taken out of the L-shaped groove of the drill rod bracket, and the operation is complex.
Disclosure of Invention
According to the drill rod clamping device, the problems that deflection occurs in a drilling channel due to overlong drill rods in the drilling process of the drill rods in the prior art, the drill rods are tilted upwards in the opening process, the maintenance cost of the heat insulation plate is high, and the operation of replacing the drill rods is complicated are solved, the working efficiency is improved, the cost is saved, and the operation safety of operators is guaranteed.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a drill rod clamping device which comprises a clamping hook assembly, a transmission rod assembly and an oil cylinder assembly, wherein the clamping hook assembly is connected with the oil cylinder assembly through the transmission rod assembly; the oil cylinder assembly comprises an oil cylinder and an oil cylinder support, and the oil cylinder support is fixedly arranged on a rail beam of the tapping machine; the oil cylinder drives the first rotating arm and the second rotating arm in the clamping hook assembly to clamp or loosen the drill rod through the transmission rod assembly.
Further, the clamping hook assembly further comprises: the clamping hook support is fixed at the front end of the rail beam of the tapping machine; the bearing seat is fixed on the clamping hook support;
one end of the first rotating arm is fixedly connected with the transmission rod assembly, and the other end of the first rotating arm is rotationally connected with the bearing seat; the first rotating arm is also hinged with one end of the first connecting rod, and the other end of the first connecting rod is hinged with the second rotating arm;
and the second rotating arm is fixedly connected with a fixed shaft, and the fixed shaft is rotationally connected with the clamping hook support.
Further, the clamping hook support is fixed at the front end of the rail beam of the tapping machine through a first bolt assembly; the bearing seat is fixed on the clamping hook support through a second bolt assembly.
Further, one end of the first rotating arm is fixedly connected with the transmission rod assembly through a third bolt assembly, and the other end of the first rotating arm is positioned in a second copper sleeve of the bearing seat and is fixed through a check ring;
one end of the first connecting rod is hinged with the first rotating arm through a pin shaft fixing assembly, and the other end of the first connecting rod is hinged with the second rotating arm through a pin shaft fixing assembly;
the fixing shaft penetrates through the clamping hook support, and the fixing shaft is rotatably connected in the clamping hook support through the cooperation of the copper bush III, the sixth bolt assembly and the copper bush IV and the seventh bolt assembly.
Further, one end of the first connecting rod is hinged with the copper bush six and tenth bolt assemblies through the pin shaft I, and the other end of the first connecting rod is hinged with the rotating arm II through the pin shaft III and the copper bush seven and eleventh bolt assemblies.
Further, the transmission rod assembly comprises a transmission rod I, one end of the transmission rod I is connected with the clamping hook assembly, the other end of the transmission rod I is fixedly connected with one end of a transmission rod II, and the other end of the transmission rod II is positioned in the oil cylinder support and can rotate in the oil cylinder support; the transmission rod II is further connected with one end of the connecting rod II through the connecting part, and the other end of the connecting rod II is connected with the oil cylinder.
Further, the other end of the first transmission rod is fixedly connected with one end of the second transmission rod through a flange plate matched with an eighth bolt assembly; a joint bearing is arranged in the oil cylinder support and is matched with a retainer ring III so that the other end of the transmission rod II can rotate in the oil cylinder support; the connecting part is installed on the transmission rod II in an interference mode, is provided with a mounting hole used for being connected with the connecting rod II, and is matched with the pin shaft II, the check ring II and the copper bush II to achieve connection of the transmission rod II and the connecting rod II.
Further, the drill rod clamping device further comprises a protection plate assembly, and the protection plate assembly is detachably connected with the clamping hook support.
Further, the guard plate assembly comprises an upper guard plate and a lower guard plate, and the upper guard plate and the lower guard plate are fixedly connected through a ninth bolt assembly.
Further, the section of the upper protection plate is of an L-shaped structure; the vertical part (long side) of L type structure is provided with the fixed hook for insert in the first mounting hole of clamp hook support corresponding position, the second mounting hole has been seted up to the kink (short side) of L type structure, can hang the epaxial of locating clamp hook support, and the cooperation slide wedge realizes the detachable connection of last guard plate and clamp hook support.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the drill rod clamping device adopts an oil cylinder driving rod mechanism (an oil cylinder assembly and a transmission rod assembly) to clamp a drill rod through a clamping hook in a clasping way, so that the drill rod is accurately aligned to a tap hole; the displacement is converted into rotation through the oil cylinder and the transmission rod assembly: the first rotating arm is driven to rotate anticlockwise through the transmission rod (the first transmission rod and the second transmission rod), and the second rotating arm is driven to rotate clockwise through the cooperation of the first connecting rod and the fixed shaft, so that the clamping of the drill rod is realized; or the transmission rod (the transmission rod I and the transmission rod II) drives the rotary arm I to rotate clockwise, and the rotary arm I and the fixed shaft are matched to realize that the rotary arm drives the rotary arm II to rotate anticlockwise, so that the release of the drill rod is realized.
In addition, when the drill rod is replaced, the clamping mechanism is loosened, and the drill rod is easy to replace because the lower part of the protection plate is slotted and has no L-shaped support; meanwhile, the protection plate component is detachably connected with the clamping hook support through the inclined wedge, so that the installation is simple and convenient; and the upper part and the lower part of the protection plate are fixedly connected through bolts, so that the whole replacement is not needed after the protection plate is damaged, and the maintenance cost is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate principles of the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is an overall block diagram of a drill rod clamping device;
FIG. 2 is a front view of the pipe clamping apparatus;
FIG. 3 is a top view of the pipe clamping apparatus;
FIG. 4 is a front view of the clamping hook assembly of the pipe clamping apparatus;
FIG. 5 is a left side view of the clamping hook assembly of the pipe clamping device;
FIG. 6 is a cross-sectional view taken along the direction A-A of FIG. 4;
FIG. 7 is a cross-sectional view of FIG. 5 in the direction C-C;
FIG. 8 is a cross-sectional view of FIG. 6 in the direction B-B;
FIG. 9 is a cross-sectional view of FIG. 5 in the direction D-D;
FIG. 10 is a schematic illustration of the connection of a drive rod assembly to an oil cylinder assembly in a drill rod clamping apparatus;
FIG. 11 is a cross-sectional view of FIG. 10 in the direction E-E;
FIG. 12 is a cross-sectional view of FIG. 10 in the direction G-G;
FIG. 13 is a cross-sectional view of FIG. 11 in the direction F-F;
FIG. 14 is a front view of the fender assembly of the drill rod clamping device;
FIG. 15 is a left side view of the fender assembly of the drill rod clamping device;
FIG. 16 is a schematic view of a drive rod assembly of the drill rod clamping device;
fig. 17 is a view showing a state of a clamping hook assembly releasing/clamping action of the pipe clamping device, in which fig. (a) is a schematic view of a structure i when the clamping hook assembly releases a drill pipe, fig. (c) is a schematic view of a structure ii when the clamping hook assembly releases a drill pipe, fig. (b) is a schematic view of a structure i when the clamping hook assembly clamps a drill pipe, and fig. (d) is a schematic view of a structure ii when the clamping hook assembly clamps a drill pipe.
Reference numerals illustrate: 1 is a rail beam of an tapping machine; 3 is a drill rod; 2.1 is a clamping hook assembly; 2.2 is a transmission rod assembly; 2.3 is an oil cylinder component; 2.4 is a fender assembly; 2.1.1 is a clamping hook support; 2.1.2 is a first bolt assembly; 2.1.3 is a bearing seat; 2.1.4 is a second bolt assembly; 2.1.5 is a first rotary arm; 2.1.6 is a first connecting rod; 2.1.7 is a second rotating arm; 2.1.8 is a pin one; 2.1.21 is a pin three; 2.1.9 is copper sleeve six; 2.1.22 is copper sleeve seven; 2.1.10 is a tenth bolt assembly; 2.1.20 is an eleventh bolt assembly; 2.1.11 is a copper sleeve II; 2.1.12 is a retainer ring I; 2.1.13 is a third bolt assembly; 2.1.14 is a sixth bolt assembly; 2.1.15 is a fixed shaft; 2.1.16 is copper sleeve III; 2.1.17 is copper sleeve IV; 2.1.18 is a seventh bolt assembly; 2.2.1 is a transmission rod I; 2.2.2 is an eighth bolt assembly; 2.2.3 is a transmission rod II; 2.2.4 is a second connecting rod; 2.2.5 is a pin II; 2.2.6 is a second check ring; 2.2.7 is copper sleeve five; 2.3.1 is an oil cylinder; 2.3.2 is an oil cylinder support; 2.3.5 is a knuckle bearing; 2.3.6 is a retainer ring III; 2.4.1 is an upper protection plate; 2.4.2 is a lower protection plate; 2.4.4 is a ninth bolt assembly; 2.4.3 is a wedge; 2.4.5 is a fixed hook.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements throughout the different drawings, unless otherwise specified. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of devices that are consistent with aspects of the utility model that are set forth in the following claims.
The present utility model will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present utility model to those skilled in the art.
Example 1
Referring to fig. 1-16, the present embodiment provides a drill rod clamping device, which comprises a clamping hook assembly 2.1, a transmission rod assembly 2.2 and an oil cylinder assembly 2.3, wherein the clamping hook assembly 2.1 and the oil cylinder assembly 2.3 are connected through the transmission rod assembly 2.2; the oil cylinder assembly 2.3 comprises an oil cylinder 2.3.1 and an oil cylinder support 2.3.2, and the oil cylinder support 2.3.2 is fixedly arranged on a rail beam 1 of the tapping machine; the oil cylinder 2.3.1 drives the first rotating arm 2.1.5 and the second rotating arm 2.1.7 in the clamping hook assembly 2.1 through the transmission rod assembly 2.2 to finish clamping or loosening actions on the drill rod 3.
Further, as shown in connection with fig. 3, 4, 5, 6 and 8, the clamping hook assembly 2.1 further comprises: a clamping hook support 2.1.1, wherein the clamping hook support 2.1.1 is fixed at the front end of the rail beam 1 of the tapping machine; a bearing seat 2.1.3, wherein the bearing seat 2.1.3 is fixed on the clamping hook support 2.1.1;
one end of the first rotary arm 2.1.5 is fixedly connected with the transmission rod assembly 2.2, and the other end of the first rotary arm 2.1.5 is rotatably connected with the bearing seat 2.1.3; the first rotating arm 2.1.5 is also hinged with one end of a first connecting rod 2.1.6, and the other end of the first connecting rod 2.1.6 is hinged with a second rotating arm 2.1.7;
and a fixed shaft 2.1.15 is fixedly connected to the second rotating arm 2.1.7, and the fixed shaft 2.1.15 is rotatably connected with the clamping hook support 2.1.1.
Further, as shown in fig. 4 and 5, the clamping hook support 2.1.1 is fixed to the front end of the rail beam 1 of the tapping machine through a first bolt assembly 2.1.2; the bearing block 2.1.3 is fastened to the clamping hook support 2.1.1 by means of a second screw assembly 2.1.4.
Further, as shown in fig. 7, 8 and 9, one end of the first rotary arm 2.1.5 is fixedly connected with the transmission rod assembly 2.2 through a third bolt assembly 2.1.13, and the other end of the first rotary arm 2.1.5 is positioned in the second copper sleeve 2.1.11 of the bearing seat 2.1.3 and is fixed through a first retainer ring 2.1.12;
one end of the first connecting rod 2.1.6 is hinged with the first rotating arm 2.1.5 through a pin shaft fixing assembly, and the other end of the first connecting rod 2.1.6 is hinged with the second rotating arm 2.1.7 through a pin shaft fixing assembly;
the fixed shaft 2.1.15 passes through the clamping hook support 2.1.1, and the rotation connection of the fixed shaft 2.1.15 in the clamping hook support 2.1.1 is realized through the cooperation of the copper bush III 2.1.16, the sixth bolt assembly 2.1.14 and the copper bush IV 2.1.17 with the seventh bolt assembly 2.1.18;
the fixed shaft 2.1.15 is fixedly connected with the second rotating arm 2.1.7 through a stop block.
Specifically, as shown in fig. 8, one end of the first connecting rod 2.1.6 is hinged with the first rotating arm 2.1.5 through a first pin roll 2.1.8, a sixth copper sleeve 2.1.9 and a tenth bolt assembly 2.1.10, and the other end of the first connecting rod 2.1.6 is hinged with the second rotating arm 2.1.7 through a third pin roll 2.1.21, a seventh copper sleeve 2.1.22 and an eleventh bolt assembly 2.1.20.
Further, as shown in fig. 10, 11 and 16, the transmission rod assembly 2.2 includes a transmission rod one 2.2.1, one end of the transmission rod one 2.2.1 is connected with the clamping hook assembly 2.1, the other end is fixedly connected with one end of a transmission rod two 2.2.3, and the other end of the transmission rod two 2.2.3 is located in the oil cylinder support 2.3.2 and can rotate in the oil cylinder support 2.3.2; the transmission rod II 2.2.3 is also connected with one end of the connection rod II 2.2.4 through a connecting part, and the other end of the connection rod II 2.2.4 is connected with the oil cylinder 2.3.1.
Further, as shown in fig. 10-13, the other end of the first transmission rod 2.2.1 is fixedly connected with one end of the second transmission rod 2.2.3 through a flange plate matched with the eighth bolt assembly 2.2.2; the oil cylinder support 2.3.2 is internally provided with a joint bearing 2.3.5, and the other end of the transmission rod II 2.2.3 can rotate in the oil cylinder support 2.3.2 by matching with a retainer ring III 2.3.6; the connecting part is installed on the transmission rod II 2.2.3 in an interference mode, is provided with a mounting hole used for being connected with the connection rod II 2.2.4, and is matched with the pin shaft II 2.2.5, the check ring II 2.2.6 and the copper bush II 2.2.7 to realize connection of the transmission rod II 2.2.3 and the connection rod II 2.2.4.
Further, as shown in connection with fig. 3, the pipe clamping device further comprises a guard plate assembly 2.4, said guard plate assembly 2.4 being detachably connected to the clamping hook support 2.1.1.
Further, as shown in connection with fig. 14-15, the fender assembly 2.4 includes an upper fender 2.4.1 and a lower fender 2.4.2, and the two are fixedly connected by a ninth bolt assembly 2.4.4;
when the protection plate assembly 2.4 is installed, a second installation hole on the upper protection plate 2.4.1 is hung in the upper shaft of the clamping hook support 2.1.1, then the fixing hook 2.4.5 on the upper protection plate 2.4.1 is inserted into the first installation hole at the front part of the clamping hook support 2.1.1, and after the installation is finished, the inclined wedge 2.4.3 is inserted into the upper shaft of the support 2.1.1, so that the connection between the upper protection plate 2.4.1 and the clamping hook support 2.1.1 is realized.
The specific process of loosening/clamping the drill rod of the drill rod clamping device is shown in fig. 17, and specifically comprises the following steps:
clamping a drill rod: the oil cylinder 2.3.1 stretches out to push the connecting rod II 2.2.4 in the transmission rod assembly 2.2 to advance, so that the transmission rod II 2.2.3 in the transmission rod assembly 2.2 is driven to rotate anticlockwise, the transmission rod II 2.2.3 drives the transmission rod I2.2.1 to rotate, and the rotating arm I2.1.5 is driven to rotate anticlockwise in the bearing seat 2.1.3; meanwhile, the first rotating arm 2.1.5 drives the second rotating arm 2.1.7 to rotate clockwise around the fixed shaft 2.1.15 through the first connecting rod 2.1.6, so that the first rotating arm 2.1.5 is folded with the second rotating arm 2.1.7, and clamping of a drill rod is completed;
loosening the drill rod: the oil cylinder 2.3.1 is retracted to drive the connecting rod II 2.2.4 in the transmission rod assembly 2.2 to retract, so that the transmission rod II 2.2.3 in the transmission rod assembly 2.2 is driven to rotate clockwise, the transmission rod II 2.2.3 drives the transmission rod I2.2.1 to rotate, and the rotating arm I2.1.5 is driven to rotate clockwise in the bearing seat 2.1.3; meanwhile, the first rotating arm 2.1.5 drives the second rotating arm 2.1.7 to rotate anticlockwise around the fixed shaft 2.1.15 through the first connecting rod 2.1.6, so that the first rotating arm 2.1.5 is separated from the second rotating arm 2.1.7, and the drill rod is loosened.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.
It will be understood that the utility model is not limited to what has been described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (10)
1. The drill rod clamping device is characterized by comprising a clamping hook assembly (2.1), a transmission rod assembly (2.2) and an oil cylinder assembly (2.3), wherein the clamping hook assembly (2.1) is connected with the oil cylinder assembly (2.3) through the transmission rod assembly (2.2); the oil cylinder assembly (2.3) comprises an oil cylinder (2.3.1) and an oil cylinder support (2.3.2), and the oil cylinder support (2.3.2) is fixedly arranged on a rail beam (1) of the tapping machine; the oil cylinder (2.3.1) drives the first rotating arm (2.1.5) and the second rotating arm (2.1.7) in the clamping hook assembly (2.1) to clamp or unclamp the drill rod (3) through the transmission rod assembly (2.2).
2. A pipe clamping device according to claim 1, characterized in that the clamping hook assembly (2.1) further comprises: a clamping hook support (2.1.1), wherein the clamping hook support (2.1.1) is fixed at the front end of the rail beam (1) of the tapping machine; a bearing block (2.1.3), the bearing block (2.1.3) being fixed to the clamping hook support (2.1.1);
one end of the first rotating arm (2.1.5) is fixedly connected with the transmission rod assembly (2.2), and the other end of the first rotating arm (2.1.5) is rotationally connected with the bearing seat (2.1.3); the first rotating arm (2.1.5) is also hinged with one end of the first connecting rod (2.1.6), and the other end of the first connecting rod (2.1.6) is hinged with the second rotating arm (2.1.7);
and the second rotating arm (2.1.7) is fixedly connected with a fixed shaft (2.1.15), and the fixed shaft (2.1.15) is rotationally connected with the clamping hook support (2.1.1).
3. A pipe clamping device according to claim 2, characterized in that the clamping hook support (2.1.1) is fixed to the front end of the tapping machine rail (1) by means of a first bolt assembly (2.1.2); the bearing block (2.1.3) is fixed on the clamping hook support (2.1.1) through a second bolt assembly (2.1.4).
4. A drill rod clamping device according to claim 2, wherein one end of the first rotary arm (2.1.5) is fixedly connected with the transmission rod assembly (2.2) through a third bolt assembly (2.1.13), and the other end of the first rotary arm (2.1.5) is positioned in a second copper sleeve (2.1.11) of the bearing seat (2.1.3) and is fixed through a first retainer ring (2.1.12);
one end of the first connecting rod (2.1.6) is hinged with the first rotating arm (2.1.5) through a pin shaft fixing assembly, and the other end of the first connecting rod (2.1.6) is hinged with the second rotating arm (2.1.7) through a pin shaft fixing assembly;
the fixed shaft (2.1.15) penetrates through the clamping hook support (2.1.1), and the fixed shaft (2.1.15) is rotatably connected in the clamping hook support (2.1.1) through the cooperation of a copper bush III (2.1.16), a sixth bolt assembly (2.1.14), a copper bush IV (2.1.17) and a seventh bolt assembly (2.1.18).
5. The drill rod clamping device according to claim 4, wherein one end of the first connecting rod (2.1.6) is hinged to the first rotating arm (2.1.5) through a first pin (2.1.8), a sixth copper bush (2.1.9) and a tenth bolt assembly (2.1.10), and the other end of the first connecting rod (2.1.6) is hinged to the second rotating arm (2.1.7) through a third pin (2.1.21), a seventh copper bush (2.1.22) and an eleventh bolt assembly (2.1.20).
6. A drill rod clamping device according to claim 1, characterized in that the transmission rod assembly (2.2) comprises a transmission rod one (2.2.1), one end of the transmission rod one (2.2.1) is connected with the clamping hook assembly (2.1), the other end is fixedly connected with one end of a transmission rod two (2.2.3), and the other end of the transmission rod two (2.2.3) is positioned in the oil cylinder support (2.3.2) and can rotate in the oil cylinder support (2.3.2); the transmission rod II (2.2.3) is further connected with one end of the connection rod II (2.2.4) through the connection part, and the other end of the connection rod II (2.2.4) is connected with the oil cylinder (2.3.1).
7. The drill rod clamping device according to claim 6, wherein the other end of the first transmission rod (2.2.1) is fixedly connected with one end of the second transmission rod (2.2.3) through a flange plate matched with the eighth bolt assembly (2.2.2); a joint bearing (2.3.5) is arranged in the oil cylinder support (2.3.2), and a retainer ring III (2.3.6) is matched to enable the other end of the transmission rod II (2.2.3) to rotate in the oil cylinder support (2.3.2); the connecting part is installed on the transmission rod II (2.2.3) in an interference mode, is provided with a mounting hole used for being connected with the connection rod II (2.2.4), and is matched with the pin shaft II (2.2.5), the check ring II (2.2.6) and the copper bush III (2.2.7) to achieve connection between the transmission rod II (2.2.3) and the connection rod II (2.2.4).
8. A pipe clamping device according to claim 1, further comprising a guard plate assembly (2.4), said guard plate assembly (2.4) being detachably connected to the clamping hook support (2.1.1).
9. A pipe clamping device according to claim 8, characterized in that the guard plate assembly (2.4) comprises an upper guard plate (2.4.1) and a lower guard plate (2.4.2) which are fixedly connected by means of a ninth bolt assembly (2.4.4).
10. A pipe clamping device according to claim 9, wherein the cross section of the upper protection plate (2.4.1) is of L-shaped configuration; the vertical portion of L type structure is provided with fixed hook (2.4.5) for insert in the first mounting hole of clamp hook support (2.1.1) corresponding position, the second mounting hole has been seted up to the kink of L type structure, can hang the epaxial of locating clamp hook support (2.1.1), and cooperation slide wedge (2.4.3) realize going up guard plate (2.4.1) and clamp hook support (2.1.1) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884153.8U CN220432868U (en) | 2023-07-18 | 2023-07-18 | Drill rod clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884153.8U CN220432868U (en) | 2023-07-18 | 2023-07-18 | Drill rod clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220432868U true CN220432868U (en) | 2024-02-02 |
Family
ID=89687676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321884153.8U Active CN220432868U (en) | 2023-07-18 | 2023-07-18 | Drill rod clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220432868U (en) |
-
2023
- 2023-07-18 CN CN202321884153.8U patent/CN220432868U/en active Active
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