CN115096568A - Shield hob comprehensive performance test bench and test method thereof - Google Patents
Shield hob comprehensive performance test bench and test method thereof Download PDFInfo
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- CN115096568A CN115096568A CN202210693338.4A CN202210693338A CN115096568A CN 115096568 A CN115096568 A CN 115096568A CN 202210693338 A CN202210693338 A CN 202210693338A CN 115096568 A CN115096568 A CN 115096568A
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- 238000011056 performance test Methods 0.000 title claims abstract description 20
- 238000010998 test method Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/005—Sealing rings
Abstract
The invention discloses a test bed for testing the comprehensive performance of a shield hob, which comprises a test bed and two symmetrically arranged movable frames which are matched and arranged on the outer surface of the test bed. The invention provides a test bed for testing the comprehensive performance of a shield hob, which is convenient for moving the shield hob and provides a handheld frame, so that workers can lift the shield hob conveniently, and time and labor are saved; clamping pieces are arranged on the periphery of the cutter shaft of the shield hob through the arrangement of the clamping frame, so that the shield hob can be clamped to prevent slipping; the shield hob comprehensive performance test bench is convenient to move through the arrangement of the movable frame, and the movable frame can rotate to two ends of the test bench when the test bench is actually tested, so that the test bench can be stably placed at a test point; the invention also provides a test method of the test bed for testing the comprehensive performance of the shield hob, and through the arrangement of the method, reference is provided for the assembly and use of the test bed for testing the comprehensive performance of the shield hob.
Description
Technical Field
The invention belongs to the technical field of shield machine cutter detection, and particularly relates to a shield machine hob comprehensive performance test bench and a test method thereof.
Background
The shield hob is an excavating tool for crushing hard rocks, is arranged at the head of large-scale trenchless construction equipment such as a shield, a TBM (tunnel boring machine), a jacking pipe and the like, and is used for cutting rock on a tunnel face and stripping the rock from the tunnel face. The method is widely applied to subway tunnels, railway tunnels, diversion tunnels and urban underground pipe network constructors. The shield hob is a cutter with replaceable cutter ring, usually having a single edge, double edges and multiple edges, and is usually installed on the cutter head of the shield machine in a radial or spiral distribution. The shield machine tunnels forwards under the pressure of the jack, the cutter head of the shield machine rotates, and the cutter arranged on the cutter head of the shield machine revolves along with the cutter head and rotates under the friction force and the pressure, so that the cutting edge of the cutter ring is utilized to perform rolling cutting on the surface of the rock.
Due to the particularity of the working environment of the shield hob, after the shield hob is used for a long time, the hob is very easy to deform or fatigue damage, and the hob is difficult to replace, so that the shield hob needs to be tested before the shield hob is actually put into use, the working environment of the shield hob is simulated, and the performance of the shield hob is detected. When the shield hob is tested, the shield hob needs to be transferred to a test bench, because the shield hob is heavy, two or more people are generally needed for the shield hob, no part which is not held by hands is arranged outside the hob, most of the hob heads of the hand hob move, time and labor are wasted, and people are difficult to walk; when the shield hob is placed on the test board, the cutter shaft of the shield hob is generally fixed on the clampers at the two ends, and the cutter shaft of the shield hob is generally in an irregular quadrilateral shape, so that the clamping mode is easy to slip and is not beneficial to the actual test; secondly, the existing shield hob test bench is generally fixedly installed on the ground and is difficult to move.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a test bed for testing the comprehensive performance of a shield hob, which is convenient for moving the shield hob by arranging a handheld frame, is convenient for workers to lift and is time-saving and labor-saving; clamping pieces are arranged on the periphery of the cutter shaft of the shield hobbing cutter through the arrangement of the clamping frame, so that the shield hobbing cutter can be clamped and prevented from slipping; the shield hob comprehensive performance test bench is convenient to move through the arrangement of the movable frame, and the movable frame can rotate to two ends of the test bench when the test bench is actually tested, so that the test bench can be stably placed at a test point; the invention also provides a test method of the test bed for testing the comprehensive performance of the shield hob, and through the arrangement of the method, reference is provided for the assembly and use of the test bed for testing the comprehensive performance of the shield hob.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a test bed for testing the comprehensive performance of a shield hobbing cutter comprises a test bed and two symmetrically-arranged moving frames which are arranged on the outer surface of the test bed in a matching mode, wherein a clamping frame is fixedly arranged on the top surface of the test bed, the shield hobbing cutter is arranged in the clamping frame in a matching mode, a handheld frame is arranged outside the shield hobbing cutter in a matching mode, and fastening frames are arranged at the left end and the right end of the shield hobbing cutter;
the test board comprises a square bearing frame, a first bottom plate and a second bottom plate, wherein the first bottom plate and the second bottom plate are arranged at the upper end and the lower end of the inner surface of the square bearing frame in a matching mode;
a rotating round hole is formed in the center of the top surface of the first bottom plate, a rotating disc is rotatably mounted in the rotating round hole, and the clamping frame is fixedly mounted on the top surface of the rotating disc;
vertical plates are fixedly mounted at the front end and the rear end of the lower bottom surface of the first bottom plate, a transverse plate is vertically mounted at one end, away from the first bottom plate, of each vertical plate, a rotator is fixedly mounted at the top surface of each transverse plate, a rotating shaft is fixedly mounted at the output end of each rotator, and one end, away from the rotator, of each rotating shaft is fixedly connected with the rotating disc;
the left end and the right end of the top surface of the second bottom plate are fixedly provided with first cylinders, and the output ends of the first cylinders are fixedly connected with the lower bottom surface of the first bottom plate;
rectangular through grooves are formed in the left side surface and the right side surface of the square bearing frame, and first mounting plates are fixedly mounted in the rectangular through grooves;
the movable frame comprises a first connecting plate and second connecting plates vertically arranged at the front end and the rear end of the first connecting plate, the square bearing frame is positioned between the two second connecting plates, and the front end and the rear end of the lower bottom surface of the first connecting plate are respectively provided with a movable wheel in a matching way;
the clamping frame comprises a mounting ring, the lower end of the outer circumferential surface of the mounting ring is provided with four mounting holes, a hydraulic push rod is arranged in each mounting hole, a second mounting plate is fixedly mounted on a base of the hydraulic push rod, the second mounting plate is fixedly mounted on the top surface of the first bottom plate, a connecting clamp plate is fixedly mounted at the output end of the hydraulic push rod, a triangular groove is formed in one side face, away from the hydraulic push rod, of the connecting clamp plate, and an L-shaped plate is fixedly mounted in the triangular groove;
the fastening frame comprises a third mounting plate and second cylinders fixedly mounted at the front end and the rear end of the top surface of the third mounting plate, the output end of each second cylinder is fixedly provided with a fourth mounting plate, the periphery of the left side surface of each fourth mounting plate is fixedly provided with the third cylinder, and the output end of each third cylinder is fixedly provided with a fifth mounting plate;
the upper end and the lower end of the left side surface of the fifth mounting plate are provided with two pressing grooves matched with a cutter head of the shield hobbing cutter;
the equal fixed mounting in both ends has the fourth cylinder around the first mounting panel right flank, the output and the third mounting panel left surface fixed connection of fourth cylinder.
Furthermore, friction backing plates are fixedly mounted on the periphery of the lower bottom surface of the second bottom plate.
Furthermore, a first threaded hole is formed in the upper end of the rear side face of the second connecting plate, a positioning bolt is connected to the first threaded hole in an internal thread mode, and two second threaded holes matched with the positioning bolt are formed in the front side face and the rear side face of the square bearing frame;
the upper end of the rear side face of the second connecting plate is provided with a rotating hole, the rotating hole is located above the first threaded hole, a rotating column is rotatably installed in the rotating hole, one end of the rotating column is fixedly connected with the square bearing frame, and the other end of the rotating column is fixedly provided with a connecting disc.
Furthermore, the handheld frame comprises two first clamping plates which are symmetrically arranged, and second clamping plates are arranged at the front end and the rear end of the outer surface of each first clamping plate in a sliding manner;
third screw holes are formed in the centers of the front side face and the rear side face of the first clamping plate, a threaded fastening rod is connected to the inner threads of the third screw holes in a threaded mode, and a stop disc is fixedly installed at the front end of the threaded fastening rod.
Furthermore, locating holes are formed in the front end and the rear end of the right side face of the first mounting plate, locating rods are arranged in the locating holes in a sliding mode, the fourth air cylinder is located between the two locating rods, and the right side face of each locating rod is fixedly connected with the left side face of the third mounting plate.
Furthermore, a positioning plate is fixedly mounted in the center of the top surface of the third mounting plate, and a rectangular hole matched with the positioning plate is formed in the center of the top surface of the fourth mounting plate.
A test method for a shield hob comprehensive performance test bench comprises the following steps:
step a: inserting the two first clamping plates into a concave area outside the shield hob, inserting the two second clamping plates into the outside of the first clamping plates, screwing the two second clamping plates into the third threaded hole by using a threaded fastening rod thread, and limiting the second clamping plates;
step b: starting the first air cylinder to push the first bottom plate out;
step c: the double hand holds the second clamping plate to move the shield hob into the clamping frame, the hydraulic push rod is started, and the middle shaft of the shield hob is fixed;
step d: carrying out air tightness detection on the fixed shield hob;
step e: after the air tightness detection of the shield hob is completed, a fifth mounting plate at the left end of the shield hob is tightly attached to the outer portion of the shield hob through adjusting a second air cylinder and a third air cylinder, a rotator is started, and the working environment of the shield hob is simulated to perform a torsion test;
step f: and separating the fifth mounting plate from the shield hob, starting the fourth cylinder, restarting the second cylinder, accommodating the fifth mounting plate to the right end of the square bearing frame, taking the shield hob out of the clamping frame, and resetting the comprehensive performance test bench of the shield hob.
The invention has the beneficial effects that:
1. the invention provides a test bed for testing the comprehensive performance of a shield hob, which is convenient for moving the shield hob by arranging a handheld frame, provides the handheld frame, is convenient for workers to lift, and is time-saving and labor-saving.
2. The invention provides a test bed for testing the comprehensive performance of a shield hob, which is characterized in that clamping pieces are arranged on the periphery of a hob shaft of the shield hob through the arrangement of a clamping frame, so that the shield hob can be clamped to prevent slipping.
3. The invention provides a test bed for testing the comprehensive performance of a shield hob, which is convenient to move through the arrangement of a movable frame, and the movable frame can rotate to two ends of the test bed when the test is actually carried out, so that the test bed can be stably placed at a test point.
4. The invention also provides a test method of the test bed for testing the comprehensive performance of the shield hob, and through the arrangement of the method, reference is provided for the assembly and use of the test bed for testing the comprehensive performance of the shield hob.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is an exploded view of a portion of the structure of the present invention;
FIG. 4 is a front view of a portion of the structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
FIG. 6 is an exploded view of a portion of the structure of the present invention;
FIG. 7 is an exploded view of a portion of the structure of the present invention;
FIG. 8 is an exploded view of a portion of the structure of the present invention;
FIG. 9 is a schematic view of a portion of the present invention;
FIG. 10 is a partial schematic of the invention;
FIG. 11 is an exploded view of a portion of the structure of the present invention;
FIG. 12 is a partial schematic structural view of the present invention;
FIG. 13 is a left side view of a partial structure of the present invention;
FIG. 14 is an exploded view of a portion of the structure of the present invention;
fig. 15 is an exploded view of a portion of the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example 1
As shown in figure 1, the comprehensive performance test bench for the shield hob comprises a test bench 1 and two symmetrical movable frames 2 which are arranged on the outer surface of the test bench 1 in a matched mode, wherein a clamping frame 3 is fixedly arranged on the top surface of the test bench 1, a shield hob 4 is placed in the clamping frame 3 in a matched mode, a handheld frame 5 is placed in the shield hob 4 in an external matched mode, and fastening frames 6 are arranged at the left end and the right end of the shield hob 4.
As shown in fig. 2 to 4, the testing table 1 includes a square-shaped carrying frame 11, and a first bottom plate 12 and a second bottom plate 13 which are cooperatively installed at the upper end and the lower end of the inner surface of the square-shaped carrying frame 11, the clamping frame 3 is fixedly installed on the top surface of the first bottom plate 12, the first bottom plate 12 is slidably installed at the upper end of the inner surface of the square-shaped carrying frame 11, and the second bottom plate 13 is fixedly installed at the lower end of the inner surface of the square-shaped carrying frame 11;
a rotating round hole 121 is formed in the center of the top surface of the first bottom plate 12, a rotating disc 122 is rotatably mounted in the rotating round hole 121, and the clamping frame 3 is fixedly mounted on the top surface of the rotating disc 122;
the left end and the right end of the top surface of the second bottom plate 13 are fixedly provided with first cylinders 131, and the output ends of the first cylinders 131 are fixedly connected with the lower bottom surface of the first bottom plate 12;
rectangular through grooves 111 are formed in the left side surface and the right side surface of the square bearing frame 11, and a first mounting plate 112 is fixedly mounted in each rectangular through groove 111;
with this arrangement, the first cylinder 131 is provided, and the position of the first bottom plate 12 can be adjusted, so that the shield hob 4 can be conveniently adjusted when the shield hob 4 is tested by using an instrument.
As shown in fig. 5 to 6, the movable frame 2 includes a first connecting plate 21 and second connecting plates 22 vertically installed at the front and rear ends of the first connecting plate 21, the square-shaped bearing frame 11 is located between the two second connecting plates 22, and the front and rear ends of the lower bottom surface of the first connecting plate 21 are respectively and cooperatively installed with a movable wheel 23;
the upper end of the back side of the second connecting plate 22 is provided with a first threaded hole 221, the first threaded hole 221 is internally threaded with a positioning bolt 222, and the front side and the back side of the square bearing frame 11 are provided with two second threaded holes 113 matched with the positioning bolt 222;
a rotating hole 223 is formed in the upper end of the rear side face of the second connecting plate 22, the rotating hole 223 is located above the first threaded hole 221, a rotating column 224 is rotatably mounted in the rotating hole 223, one end of the rotating column 224 is fixedly connected with the square bearing frame 11, and a connecting plate 225 is fixedly mounted at the other end of the rotating column 224;
through this kind of setting, can install this removal frame 2 in the outside of square font carriage 11, conveniently remove this test bench, remove the completion back, can demolish positioning bolt 222, will remove frame 2 and rotate the both ends to square font carriage 11, make friction backing plate 132 contact ground, increase the stability of placing of this test bench.
As shown in fig. 7 to 9, the clamping frame 3 includes a mounting ring 31, four mounting holes 32 are formed at the lower end of the outer circumferential surface of the mounting ring 31, a hydraulic push rod 33 is arranged in the mounting holes 32, a second mounting plate 331 is fixedly mounted on the base of the hydraulic push rod 33, the second mounting plate 331 is fixedly mounted on the top surface of the first base plate 12, a connecting clamp plate 332 is fixedly mounted at the output end of the hydraulic push rod 33, a triangular groove 3321 is formed in one side surface of the connecting clamp plate 332 away from the hydraulic push rod 33, and an L-shaped plate 3322 is fixedly mounted in the triangular groove 3321;
through the arrangement, the middle shaft of the shield hob 4 can be fixedly arranged in the rectangular area formed by the four L-shaped plates 3322 in an enclosing mode, the shield hob 4 is fixed, and testing is convenient.
As shown in fig. 10 to 11, the handheld frame 5 includes two first clamping plates 51 symmetrically set up, and the front and rear ends of the outer surface of the first clamping plates 51 are slidably provided with second clamping plates 52;
third threaded holes 511 are formed in the centers of the front side surface and the rear side surface of the first clamping plate 51, threaded fastening rods 512 are connected to the third threaded holes 511 in an internal thread mode, and stopping discs 513 are fixedly mounted at the front ends of the threaded fastening rods 512;
the diameter of backstop disc 513 is greater than the width of first grip block 51, and when in actual use, can place first grip block 51 in the outside depressed area of shield structure hobbing cutter 4, between two blade discs promptly, places second grip block 52 in the surface of first grip block 51 again, connects the back of accomplishing, in screwing in third screw hole 511 screw thread tightening rod 512, forms a suggested support, conveniently removes shield structure hobbing cutter 4.
As shown in fig. 12 to 15, the fastening frame 6 includes a third mounting plate 61 and second cylinders 62 fixedly mounted at the front and rear ends of the top surface of the third mounting plate 61, wherein the output end of the second cylinder 62 is fixedly mounted with a fourth mounting plate 63, the peripheries of the left side surfaces of the fourth mounting plate 63 are fixedly mounted with third cylinders 64, and the output end of the third cylinders 64 is fixedly mounted with a fifth mounting plate 65;
the upper end and the lower end of the left side surface of the fifth mounting plate 65 are provided with two pressing grooves 651 matched with the cutterhead of the shield hobbing cutter 4;
the front end and the rear end of the right side surface of the first mounting plate 112 are fixedly provided with a fourth cylinder 1121, and the output end of the fourth cylinder 1121 is fixedly connected with the left side surface of the third mounting plate 61;
a positioning plate 66 is fixedly arranged at the center of the top surface of the third mounting plate 61, and a rectangular hole 631 matched with the positioning plate 66 is formed in the center of the top surface of the fourth mounting plate 63;
through this kind of setting, can be used to shield structure hobbing cutter 4's capability test, moreover, after using the completion, can accomodate fifth mounting panel 65 to mouthful style of calligraphy carriage 11 both ends about, reduce occupation space, and when making things convenient for initial condition, do not influence shield structure hobbing cutter 4's installation.
Here, the rotator 125 is a known conventional device that can drive the rotation shaft 126 to rotate; the hydraulic push rod 33 is a known conventional electric hydraulic push rod; the first cylinder 131, the second cylinder 62, the third cylinder 64, and the fourth cylinder 1121 are all known conventional cylinders.
In the actual use process, the shield hob 4 is convenient to move by arranging the handheld frame 5, the handheld frame is provided, workers can lift the shield hob conveniently, and time and labor are saved; clamping pieces are arranged on the periphery of the cutter shaft of the shield hobbing cutter 4 through the arrangement of the clamping frame 3, so that the shield hobbing cutter 4 can be clamped to prevent slipping; through the setting that removes frame 2, conveniently remove this shield structure hobbing cutter comprehensive properties test bench, and when actually testing, should remove frame 2 rotatable to the both ends of testboard 1, testboard 1 can stabilize and place in the test point.
Example 2
A test method for a shield hob comprehensive performance test bench comprises the following steps:
step a: inserting two first clamping plates 51 into a concave area outside the shield hob 4, inserting two second clamping plates 52 into the outside of the first clamping plates 51, screwing the two second clamping plates into the third threaded holes 511 by using threaded fastening rods 512, and limiting the second clamping plates 52;
step b: starting the first air cylinder 131 to push out the first bottom plate 12;
step c: the double hand holds the second clamping plate 52 to move the shield hob 4 into the clamping frame 3, the hydraulic push rod 33 is started, and the middle shaft of the shield hob 4 is fixed;
step d: carrying out air tightness detection on the fixed shield hob 4;
step e: after the airtightness of the shield hob 4 is detected, the fifth mounting plate 65 at the left end of the shield hob 4 is tightly attached to the outside of the shield hob 4 by adjusting the second cylinder 62 and the third cylinder 64, the rotator 125 is started, and the working environment of the shield hob 4 is simulated to perform a torsion test;
step f: the fifth mounting plate 65 is detached from the shield hob 4, the fourth air cylinder 1121 is started, the second air cylinder 62 is started again, the fifth mounting plate 65 is stored at the right end of the square bearing frame 11, the shield hob 4 is taken out of the clamping frame 3, and the test bed for testing the comprehensive performance of the shield hob is reset.
The embodiment provides a test method for a comprehensive performance test bench of a shield hob, and through the arrangement of the test method, reference is provided for assembly and use of the comprehensive performance test bench of the shield hob.
The invention provides a test bed for testing the comprehensive performance of a shield hob and a test method thereof, wherein a support is provided for the performance test of a shield hob 4 through the arrangement of the test bed for testing the comprehensive performance of the shield hob; through the arrangement of the test method of the test bed for testing the comprehensive performance of the shield hob, a reference basis is provided for the use of the test bed for testing the comprehensive performance of the shield hob.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a shield constructs hobbing cutter comprehensive properties test bench which characterized in that: the device comprises a test board (1) and two symmetrically-arranged moving frames (2) which are installed on the outer surface of the test board (1) in a matched mode, wherein a clamping frame (3) is fixedly installed on the top surface of the test board (1), a shield hob (4) is placed in the clamping frame (3) in a matched mode, a handheld frame (5) is placed outside the shield hob (4) in a matched mode, and fastening frames (6) are arranged at the left end and the right end of the shield hob (4);
the test bench (1) comprises a square bearing frame (11), a first bottom plate (12) and a second bottom plate (13), wherein the first bottom plate (12) and the second bottom plate (13) are installed at the upper end and the lower end of the inner surface of the square bearing frame (11) in a matching mode;
the left end and the right end of the top surface of the second bottom plate (13) are fixedly provided with first cylinders (131), and the output ends of the first cylinders (131) are fixedly connected with the lower bottom surface of the first bottom plate (12);
rectangular through grooves (111) are formed in the left side surface and the right side surface of the square bearing frame (11), and a first mounting plate (112) is fixedly mounted in each rectangular through groove (111);
the movable frame (2) comprises a first connecting plate (21) and second connecting plates (22) vertically arranged at the front end and the rear end of the first connecting plate (21), the square bearing frame (11) is positioned between the two second connecting plates (22), and the front end and the rear end of the lower bottom surface of the first connecting plate (21) are respectively provided with a movable wheel (23) in a matching manner;
the clamping frame (3) comprises a mounting ring (31), four mounting holes (32) are formed in the lower end of the outer circumferential surface of the mounting ring (31), a hydraulic push rod (33) is arranged in each mounting hole (32), a second mounting plate (331) is fixedly mounted on the base of the hydraulic push rod (33), the second mounting plate (331) is fixedly mounted on the top surface of the first base plate (12), a connecting clamp plate (332) is fixedly mounted at the output end of the hydraulic push rod (33), a triangular groove (3321) is formed in one side surface, away from the hydraulic push rod (33), of the connecting clamp plate (332), and an L-shaped plate (3322) is fixedly mounted in the triangular groove (3321);
the fastening frame (6) comprises a third mounting plate (61) and second cylinders (62) fixedly mounted at the front end and the rear end of the top surface of the third mounting plate (61), the output end of the second cylinder (62) is fixedly mounted with a fourth mounting plate (63), the periphery of the left side surface of the fourth mounting plate (63) is fixedly mounted with third cylinders (64), and the output end of the third cylinder (64) is fixedly mounted with a fifth mounting plate (65);
the upper end and the lower end of the left side surface of the fifth mounting plate (65) are provided with two pressing grooves (651) matched with the cutter head of the shield hobbing cutter (4);
the front end and the rear end of the right side face of the first mounting plate (112) are fixedly provided with a fourth cylinder (1121), and the output end of the fourth cylinder (1121) is fixedly connected with the left side face of the third mounting plate (61).
2. The shield hob comprehensive performance test bench according to claim 1, characterized in that: a rotating round hole (121) is formed in the center of the top surface of the first base plate (12), a rotating disc (122) is rotatably mounted in the rotating round hole (121), and the clamping frame (3) is fixedly mounted on the top surface of the rotating disc (122);
first bottom plate (12) is the equal fixed mounting in both ends around the bottom surface has vertical plate (123), horizontal board (124) are installed perpendicularly to the one end that first bottom plate (12) was kept away from in vertical plate (123), horizontal board (124) top surface fixed mounting has circulator (125), the output fixed mounting of circulator (125) has rotation axis (126), the one end and rotary disk (122) fixed connection that circulator (125) were kept away from in rotation axis (126).
3. The shield hob comprehensive performance test bench according to claim 1, characterized in that: and friction base plates (132) are fixedly arranged on the periphery of the lower bottom surface of the second bottom plate (13).
4. The shield hob comprehensive performance test bench according to claim 1, characterized in that: the upper end of the rear side face of the second connecting plate (22) is provided with a first threaded hole (221), the first threaded hole (221) is connected with a positioning bolt (222) in an internal thread mode, and the front side face and the rear side face of the square bearing frame (11) are provided with two second threaded holes (113) matched with the positioning bolt (222);
the upper end of the rear side face of the second connecting plate (22) is provided with a rotating hole (223), the rotating hole (223) is located above the first threaded hole (221), a rotating column (224) is rotatably mounted in the rotating hole (223), one end of the rotating column (224) is fixedly connected with the square bearing frame (11), and the other end of the rotating column (224) is fixedly provided with a connecting disc (225).
5. The shield hob comprehensive performance test bench according to claim 1, characterized in that: the handheld frame (5) comprises two first clamping plates (51) which are symmetrically arranged, and the front end and the rear end of the outer surface of each first clamping plate (51) are provided with second clamping plates (52) in a sliding manner;
third screw hole (511) have all been opened in the center of first grip block (51) front and back both sides face, third screw hole (511) internal thread connection has screw fastening pole (512), the front end fixed mounting of screw fastening pole (512) has backstop disc (513).
6. The shield hob comprehensive performance test bench according to claim 1, characterized in that: locating holes (1122) are formed in the front end and the rear end of the right side face of the first mounting plate (112), locating rods (1123) are arranged in the locating holes (1122) in a sliding mode, two fourth cylinders (1121) are located between the two locating rods (1123), and the right side face of each locating rod (1123) is fixedly connected with the left side face of the third mounting plate (61).
7. The shield hob comprehensive performance test bench according to claim 1, characterized in that: the center of the top surface of the third mounting plate (61) is fixedly provided with a positioning plate (66), and the center of the top surface of the fourth mounting plate (63) is provided with a rectangular hole (631) matched with the positioning plate (66).
8. A test method for a shield hob comprehensive performance test bench is characterized in that: the method comprises the following steps:
step a: inserting two first clamping plates (51) into a concave area outside the shield hob (4), inserting two second clamping plates (52) into the outside of the first clamping plates (51), screwing the two first clamping plates into a third threaded hole (511) by using a threaded fastening rod (512), and limiting the second clamping plates (52);
step b: starting a first air cylinder (131) to push out the first bottom plate (12);
step c: the double hand holds the second clamping plate (52) to move the shield hob (4) into the clamping frame (3), the hydraulic push rod (33) is started, and the middle shaft of the shield hob (4) is fixed;
step d: carrying out air tightness detection on the fixed shield hob (4);
step e: after the air tightness detection of the shield hob (4) is completed, a fifth mounting plate 65 at the left end of the shield hob (4) is tightly attached to the outer portion of the shield hob (4) through adjusting a second air cylinder (62) and a third air cylinder 64, a rotator (125) is started, and the working environment of the shield hob (4) is simulated to perform a torsion test;
step f: and separating the fifth mounting plate (65) from the shield hob (4), starting the fourth air cylinder (1121), restarting the second air cylinder (62), accommodating the fifth mounting plate (65) to the right end of the square bearing frame (11), taking the shield hob (4) out of the clamping frame (3), and resetting the comprehensive performance test bench of the shield hob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210693338.4A CN115096568A (en) | 2022-06-17 | 2022-06-17 | Shield hob comprehensive performance test bench and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210693338.4A CN115096568A (en) | 2022-06-17 | 2022-06-17 | Shield hob comprehensive performance test bench and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115096568A true CN115096568A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210693338.4A Pending CN115096568A (en) | 2022-06-17 | 2022-06-17 | Shield hob comprehensive performance test bench and test method thereof |
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| CN (1) | CN115096568A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300369A (en) * | 2017-07-31 | 2017-10-27 | 中铁隧道集团有限公司 | Shield/TBM hob abrasion measurement apparatus and measuring method |
| CN111060243A (en) * | 2019-12-13 | 2020-04-24 | 株洲中车天力锻业有限公司 | Automatic detection device and detection method for shield hob torque |
| CN212806978U (en) * | 2020-08-20 | 2021-03-26 | 天津海博斯机电设备有限公司 | Measuring tool for measuring hob hobbing front angle |
| CN213410270U (en) * | 2020-09-19 | 2021-06-11 | 济南钢纳材料科技有限公司 | Mould is used in preparation of disc cutter ring |
| CN214843969U (en) * | 2021-06-28 | 2021-11-23 | 安徽菱力设备科技有限公司 | Shield constructs hobbing cutter comprehensive properties test bench |
-
2022
- 2022-06-17 CN CN202210693338.4A patent/CN115096568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300369A (en) * | 2017-07-31 | 2017-10-27 | 中铁隧道集团有限公司 | Shield/TBM hob abrasion measurement apparatus and measuring method |
| CN111060243A (en) * | 2019-12-13 | 2020-04-24 | 株洲中车天力锻业有限公司 | Automatic detection device and detection method for shield hob torque |
| CN212806978U (en) * | 2020-08-20 | 2021-03-26 | 天津海博斯机电设备有限公司 | Measuring tool for measuring hob hobbing front angle |
| CN213410270U (en) * | 2020-09-19 | 2021-06-11 | 济南钢纳材料科技有限公司 | Mould is used in preparation of disc cutter ring |
| CN214843969U (en) * | 2021-06-28 | 2021-11-23 | 安徽菱力设备科技有限公司 | Shield constructs hobbing cutter comprehensive properties test bench |
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