A TBM rock breaking test device

Abstract

The present application relates to rock breaking test device technical field, disclose a kind of TBM rock breaking test device, including pedestal, bracing plate one and bracing plate two, the bracing plate one and the bracing plate two are respectively fixedly installed in the pedestal top end two sides;Still include displacement mechanism, the displacement mechanism includes multiple groups of hydraulic rod two fixedly in the bracing plate one inner side, and multiple groups of hydraulic rod two inner side are fixedly connected with bracing plate three, and the bracing plate three is with pedestal upper end horizontal sliding connection;Angle adjusting mechanism, the angle adjusting mechanism includes multiple groups of circumferentially in the bracing plate three inner wall sliding groove mouth.The present application can be under the action of angle adjusting mechanism, realize the angle change of the cutter at top to rock block sample, and under the action of clamping mechanism, sample is damaged, the data generated by simulation damage are summarized, effectively improve the range of equipment simulation, effectively increase the diversity of data, so that data contrast analysis is more accurate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rock breaking test device, and particularly relates to a TBM rock breaking test device. BACKGROUND

[0002] A full-face tunnel boring machine (TBM) is a tunnel construction complete equipment integrating machine, electricity, liquid, sensing and information technology, and is mainly used for railway, highway, water conservancy and hydropower diversion tunnel, subway and underground engineering tunnel construction in rock geological structure. The TBM has the advantages of high construction efficiency, safety and reliability, and high construction quality, and thus is more and more widely used at home and abroad.

[0003] Under this background, people have invented a TBM rock breaking test device, but the existing TBM rock breaking test device design has certain limitations. Some experimental devices may only simulate experiments at a single vertical angle of the TBM rock breaking test device, so that the experimental data obtained by the equipment are relatively single, and different angle changes required in actual tunnel excavation cannot be simulated, so that simulation experimental data under complex working conditions cannot be obtained. SUMMARY

[0004] To solve the technical problem that the structure design of some TBM experimental devices in the background art is relatively single, and only experimental data at a single excavation angle can be obtained, thereby leading to relatively single experimental data, the present application provides a TBM rock breaking test device.

[0005] The present application adopts the following technical scheme: a TBM rock breaking test device, comprising a base, a support plate one and a support plate two, the support plate one and the support plate two are respectively fixedly installed at the top of the two sides of the base;

[0006] Further comprising a displacement mechanism, the displacement mechanism comprises a plurality of hydraulic rods two which are uniformly fixed to the inner side of the support plate one, and a plurality of support plates three which are fixedly connected to the inner side of the plurality of hydraulic rods two, the support plate three is horizontally and slidingly connected to the upper end of the base;

[0007] An angle adjusting mechanism, the angle adjusting mechanism comprises a plurality of slide groove openings which are circumferentially formed in the inner wall of the support plate three, a plurality of slide blocks which are horizontally and slidingly connected in the plurality of slide groove openings, a plurality of hydraulic rods three which are fixedly connected to the inner side of the plurality of slide blocks, a plurality of hinge rods which are fixedly connected to the top end of the plurality of hydraulic rods three, a plurality of hinge sleeve blocks one which are rotationally connected to the plurality of hinge rods, a plurality of positioning plates which are fixedly connected to the inner side of the plurality of hinge sleeve blocks one, a positioning rod which is fixedly connected to the middle part of the plurality of support plates three, the top end of the positioning rod is a spherical body, a sliding block which is fixedly connected to one side of the positioning plate, and the sliding block is slidingly connected to the top end of the positioning rod;

[0008] The advancing mechanism comprises a plurality of groups of round rods fixedly connected to the inner side of the positioning plate, and the inner side of each group of the round rods is fixedly connected with an outer sleeve which is hollow, the inner tube is slidably connected in the outer sleeve, the cutter adjusting assembly is arranged in the inner tube, the inner side of the middle part of the positioning plate is fixedly connected with a powerful motor, the powerful motor penetrates through the bottom end of the outer sleeve and is fixedly connected with a rotating shaft, the powerful motor is not in contact with the bottom end of the outer sleeve, the outer wall of the rotating shaft is symmetrically provided with a sliding groove at the top, the sliding groove is vertically and slidably connected with the bottom end of the inner tube, and the micro-motion assembly is arranged between the outer sleeve and the inner tube.

[0009] Through the above technical scheme, the rock block sample can be damaged by the cooperation of the displacement mechanism and the angle adjusting mechanism, and the stress change generated by the damage can be collected and recorded by the equipment. The equipment can also produce more changes under the adjustment of the angle adjusting mechanism, so that the experimental data is more abundant.

[0010] As a further improvement of the above scheme, the cutter adjusting assembly comprises two groups of hydraulic rods four, two groups of the hydraulic rods four are fixedly connected to the inner wall bottom end of the inner tube in a symmetrical manner, and the outer end of each group of the hydraulic rods four is fixedly connected with a movable plate, the outer end of the movable plate is uniformly fixedly connected with a plurality of hinged sleeve blocks two, a plurality of the hinged sleeve blocks two are hingedly connected with a hinged plate, a plurality of the hinged plates are hingedly connected with a hinged sleeve block three at the outer end, and a plurality of the hinged plates are inclined outward from the hinged sleeve block two.

[0011] As a further improvement of the above scheme, the outer side of each group of the hinged sleeve block three is rotatably connected with a rotating rod, the middle part of each group of the rotating rod is fixedly connected with a cutter, and the outer end of each group of the cutter is rotatably connected with a rotating sleeve block.

[0012] Through the above technical scheme, the plurality of hinged plates arranged inclined outward can be used to drive a plurality of cutters to produce angular displacement changes synchronously when the hydraulic rod four is extended and retracted, so as to change the damage angle of the rock block sample and provide experimental data under different angles for the experiment.

[0013] As a further improvement of the above scheme, the outer side of each group of the rotating sleeve block is fixedly connected with a hinged block, each group of the hinged block is rotatably connected with a hinged sleeve block four, and each group of the hinged sleeve block four is uniformly fixedly connected to the outer end of the inner tube. The outer end of the inner tube is fixedly connected with a protective plate.

[0014] Through the above technical scheme, the plurality of cutters abutting against the rock block sample can be used to perform damage operation on the rock block sample in cooperation with the displacement mechanism and under the driving of the powerful motor, wherein the two ends of the cutter are rotatably connected with the hinged sleeve block three and the rotating sleeve block respectively, so as to ensure the rotation of the cutter, and the angle can be adjusted under the multi-hinged connection.

[0015] As a further improvement of the above-mentioned scheme, the micro-motion assembly comprises support sleeves symmetrically fixedly connected to the bottom end of the outer sleeve, and the outer ends of the two groups of support sleeves are rotatably connected with the balls.

[0016] As a further improvement of the above-mentioned scheme, the outer sleeve and the inner tube are elastically connected with a strong spring in the middle, the strong spring is arranged outside the two groups of support sleeves, one side of the strong spring is rotatably connected with the bottom end of the outer sleeve, the other side of the strong spring is fixedly connected with the bottom end of the inner tube, the outer wall of the bottom end of the inner tube is symmetrically fixedly connected with hemispheres, and the two groups of hemispheres are in rolling abutment with the balls.

[0017] Through the above technical scheme, when the inner tube rotates, the strong spring is fixedly connected with the bottom end of the inner tube, and the other end of the strong spring is rotatably connected with the inner wall of the bottom end of the outer sleeve, so that the cutter can be pushed back and forth to damage the rock block sample after the ball pushes the hemispheres outward, and can be pulled back under the contraction of the strong spring, realizing reciprocating vibration.

[0018] As a further improvement of the above-mentioned scheme, it further comprises a clamping mechanism, the clamping mechanism comprises side plates symmetrically and slidably connected to the top end of the base, the inner sides of the two groups of side plates are attached to the second support plate, and the outer sides of the two groups of side plates are fixedly connected with side rods.

[0019] As a further improvement of the above-mentioned scheme, the top ends of the two groups of side rods are inclined inward and arranged centrally, and guide grooves are formed in the top parts of the two groups of side rods.

[0020] As a further improvement of the above-mentioned scheme, the outer wall of the second support plate is fixedly connected with a first hydraulic rod, the top end of the first hydraulic rod is fixedly connected with a top plate, the inner side of the top plate is fixedly connected with a sliding tab, and the inner side of the sliding tab is symmetrically and slidably connected in the guide grooves.

[0021] As a further improvement of the above-mentioned scheme, the bottom end of the sliding tab is fixedly connected with a vertical plate, the bottom end of the vertical plate is fixedly connected with a top pressing plate, and the inner sides of the top pressing plate and the side plate are provided with sensors.

[0022] Through the above technical scheme, the first hydraulic rod can be retracted to realize the synchronous central retraction of the top pressing plate and the side plate under the sliding of the sliding tab and the guide grooves, and the rock block sample can be compressed and fixed.

[0023] Compared with the prior art, the present application has the following advantages:

[0024] (1) The present application can change the angle of the cutter at the top end with the rock block sample under the action of the angle adjusting mechanism, damage the sample under the action of the clamping mechanism, and collect the data generated by the simulation damage, effectively improving the simulation range of the equipment, effectively increasing the diversity of the data, and making the data comparison and analysis more accurate.

[0025] (II) The angle adjusting mechanism cooperates with the cutter adjusting assembly in the advancing mechanism, so that more valuable experimental data can be obtained when the device destroys the rock block sample.

[0026] (III) The micro-motion mechanism cooperates with the advancing mechanism and the cutter adjusting assembly, so that the rock block sample can be better destroyed, the rock breaking efficiency is improved, and data for optimization and improvement of the device are provided. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0028] Figure 2 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application; Figure 1 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0029] Figure 3 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0030] Figure 4 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0031] Figure 5 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0032] Figure 6 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application; Figure 4 FIG. 1 is a schematic diagram of the overall structure of a TBM rock breaking test device according to an embodiment of the present application;

[0033] MAIN SYMBOL EXPLANATION

[0034] 1, base; 2, support plate one; 3, support plate two; 4, hydraulic rod one; 5, top plate; 6, sliding convex plate; 7, vertical plate; 8, top pressing plate; 9, side rod; 10, guide notch; 11, side pressing plate; 12, hydraulic rod two; 13, support plate three; 14, sliding notch; 15, hydraulic rod three; 16, hinged rod; 17, hinged sleeve block one; 18, positioning plate; 19, round rod; 20, sliding block; 21, positioning rod; 22, outer sleeve; 23, strong spring; 24, strong motor; 25, rotating shaft; 26, inner tube; 27, protection plate; 28, support sleeve plate; 29, ball; 30, hemisphere; 31, hydraulic rod four; 32, movable plate; 33, hinged sleeve block two; 34, hinged plate; 35, hinged sleeve block three; 36, rotating rod; 37, cutter; 38, rotating sleeve block; 39, hinged block; 40, hinged sleeve block four. DETAILED DESCRIPTION

[0035] The application will be further described below in conjunction with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0036] Embodiment 1: Please combine Figures 1-6 The TBM rock breaking test device of the embodiment comprises a base 1, a support plate one 2 and a support plate two 3, and the support plate one 2 and the support plate two 3 are respectively fixedly installed at the top ends of the two sides of the base 1.

[0037] It also comprises a displacement mechanism, which comprises a plurality of groups of hydraulic rods two 12 fixedly installed on the inner side of the support plate one 2, and the inner side of the plurality of groups of hydraulic rods two 12 is fixedly connected with a support plate three 13, and the support plate three 13 is horizontally and slidingly connected with the upper end of the base 1.

[0038] An angle adjusting mechanism, which comprises a plurality of groups of sliding groove openings 14 circumferentially formed in the inner wall of the support plate three 13, a plurality of groups of sliding blocks horizontally and slidingly connected in the plurality of groups of sliding groove openings 14, a plurality of groups of hydraulic rods three 15 fixedly connected with the inner side of the plurality of groups of sliding blocks, a plurality of groups of hinge rods 16 fixedly connected with the top ends of the plurality of groups of hydraulic rods three 15, a plurality of groups of hinge sleeve blocks one 17 rotationally connected with the plurality of groups of hinge rods 16, a plurality of groups of positioning plates 18 fixedly connected with the inner side of the plurality of groups of hinge sleeve blocks one 17, a positioning rod 21 fixedly connected with the inner side of the plurality of groups of support plate threes 13 at the middle part, the top end of the positioning rod 21 being a spherical body, a sliding block 20 fixedly connected with one side of the positioning plate 18, and the sliding block 20 being slidingly connected with the top end of the positioning rod 21.

[0039] A pushing mechanism, which comprises a plurality of groups of circular rods 19 fixedly connected with the inner side of the positioning plate 18, and the inner side of the plurality of groups of circular rods 19 is fixedly connected with a hollow outer sleeve 22, an inner tube 26 slidingly connected in the outer sleeve 22, a cutter adjusting assembly arranged in the inner tube 26, a powerful motor 24 fixedly connected with a rotating shaft 25 penetrating through the bottom end of the outer sleeve 22 and fixedly connected with the inner tube 26, the powerful motor 24 not being in contact with the bottom end of the outer sleeve 22, a sliding groove symmetrically formed in the outer wall of the rotating shaft 25, the sliding groove being vertically and slidingly connected with the bottom end of the inner tube 26, and a micro-motion assembly arranged between the outer sleeve 22 and the inner tube 26.

[0040] The implementation principle of the TBM rock breaking test device in the embodiment is as follows:

[0041] After the rock block sample is fixedly clamped, the plurality of groups of hydraulic rods two 12 are used to push the support plate three 13 to horizontally displace, and the pushing mechanism and the angle adjusting mechanism are driven to approach the rock block sample, the plurality of groups of hydraulic rods three 15 are used to adjust the angle of the pushing mechanism carried by the positioning plate 18 around the spherical body at the top end of the positioning rod 21 according to the research needs, the angle change of the simulation equipment during actual rock breaking is realized, the pushing mechanism is used to damage the rock block sample, and experimental data are obtained.

[0042] Embodiment 2: in combination Figure 3 and Figure 5 The embodiment is based on embodiment 1, and is further improved in that:

[0043] The tool adjusting assembly comprises two groups of hydraulic rods four 31 which are symmetrically fixedly connected to the inner wall bottom end of the inner tube 26, and the outer end of each group of hydraulic rods four 31 is fixedly connected with a movable plate 32, the outer end of the movable plate 32 is uniformly fixedly connected with a plurality of hinged sleeve blocks two 33, the hinged sleeve blocks two 33 are hingedly connected with a hinged plate 34, the outer end of the plurality of hinged plates 34 is hingedly connected with a hinged sleeve block three 35, and the plurality of hinged plates 34 is inclined outwardly from the hinged sleeve block two 33.

[0044] The outer side of each group of hinged sleeve blocks three 35 is rotatably connected with a rotating rod 36, the middle part of each group of rotating rods 36 is fixedly connected with a tool 37, and the outer end of each group of tools 37 is rotatably connected with a rotating sleeve block 38.

[0045] The outer side of each group of rotating sleeve blocks 38 is fixedly connected with a hinged block 39, each group of hinged blocks 39 is rotatably connected with a hinged sleeve block four 40, and each group of hinged sleeve blocks four 40 is uniformly fixedly connected to the outer end of the inner tube 26. The outer end of the inner tube 26 is fixedly connected with a protective plate 27.

[0046] The implementation principle of the TBM rock breaking test device in the embodiment of the application is:

[0047] When the two groups of hydraulic rods four 31 synchronously push the movable plate 32 to change the displacement, the hinged plates 34 at both ends are hingedly connected with the hinged sleeve blocks two 33 and the hinged sleeve blocks three 35, the other end of the rotating rod 36 is hingedly connected with the hinged sleeve block four 40, and the plurality of tools 37 are synchronously driven to change the angle, so that more experimental data of the device are obtained, and in cooperation with the angle adjusting mechanism, the device can provide more angle data for the destruction of the rock block, and the diversity of the device data collection is effectively improved.

[0048] Embodiment 3: in combination Figure 3 and Figure 5 The embodiment is based on embodiments 1 and 2, and is further improved in that:

[0049] The micro-motion assembly comprises a support sleeve plate 28 which is symmetrically fixedly connected to the bottom end of the outer sleeve 22, and the outer end of each group of support sleeve plates 28 is rotatably connected with a ball 29.

[0050] The strong spring 23 is elastically connected between the outer sleeve 22 and the inner tube 26, is arranged outside the two sets of support sleeves 28, is rotationally connected to the bottom end of the outer sleeve 22 on one side, is fixedly connected to the bottom end of the inner tube 26 on the other side, and is fixedly connected to the outer wall of the bottom end of the inner tube 26 in a symmetrical manner.

[0051] The implementation principle of the TBM rock breaking test device in the embodiment of the application is as follows:

[0052] When the strong motor 24 is working, the inner tube 26 can slide in the outer sleeve 22, and can be retracted under the elastic action of the strong spring 23 when the inner tube 26 rotates, so that the inner tube 26 can reciprocatingly displace and drive the multiple cutters 37 to break the rock block, thereby providing additional power for the cutters 37 under the pushing force of the hydraulic rod two 12 and accelerating the damage to the rock block.

[0053] Embodiment 4: in combination Figures 1-3 The embodiment is further improved on the basis of the embodiments 1, 2 and 3.

[0054] The clamping mechanism comprises the side plates 11 which are symmetrically and slidingly connected to the top end of the base 1 and are in abutment with the inner side of the second support plate 3, and the side rods 9 which are fixedly connected to the outer side of the two sets of side plates 11.

[0055] The top end of each of the two sets of side rods 9 is arranged in a tilt inward and central manner, and the top part of each of the two sets of side rods 9 is provided with the guide slot 10.

[0056] The second support plate 3 is fixedly connected with the hydraulic rod one 4, the top end of the hydraulic rod one 4 is fixedly connected with the top plate 5, the inner side of the top plate 5 is fixedly connected with the sliding convex plate 6, and the inner side of the sliding convex plate 6 is symmetrically and slidingly connected into the guide slot 10.

[0057] The bottom end of the sliding convex plate 6 is fixedly connected with the vertical plate 7, the bottom end of the vertical plate 7 is fixedly connected with the top pressing plate 8, and the inner side of the top pressing plate 8 and the inner side of the side plate 11 are both provided with the sensor.

[0058] The implementation principle of the TBM rock breaking test device in the embodiment of the application is as follows:

[0059] The fixed size rock block to be tested is placed in the designated area, and then the hydraulic rod 1 is started to pull the top plate 5 vertically downward to shrink, the two groups of side pressure plates 11 are connected with the sliding guide slot 10 through the sliding convex plate 6, and the two groups of side pressure plates 11 are pulled horizontally inward to be centered, and with the shrinking of the top plate 5, the vertical plate 7 drives the top pressing plate 8 to fix the top of the rock block, so that when the rock breaking experiment is performed, the stress data collected by the sensor are recorded and analyzed.

[0060] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the protection scope of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the protection scope of the present application.

Claims

1. A TBM rock breaking test device, comprising: a base, a support plate one and a support plate two, the support plate one and the support plate two are respectively fixedly installed on both sides of the top end of the base; characterized in that further comprising: a displacement mechanism, the displacement mechanism comprises a plurality of groups of hydraulic rods two uniformly fixed on the inner side of the support plate one, and a plurality of groups of hydraulic rods two are fixedly connected with a support plate three on the inner side, the support plate three is horizontally and slidingly connected with the upper end of the base; an angle adjusting mechanism, the angle adjusting mechanism comprises a plurality of groups of sliding groove openings circumferentially opened on the inner wall of the support plate three, a plurality of groups of sliding groove openings are relatively horizontally and slidingly connected with a plurality of groups of sliding blocks, a plurality of groups of sliding blocks are fixedly connected with a plurality of groups of hydraulic rods three on the inner side, a plurality of groups of hydraulic rods three are fixedly connected with a plurality of groups of hinged rods on the top end, a plurality of groups of hinged rods are rotatably connected with a plurality of groups of hinged sleeve blocks one on the inner side, a plurality of groups of hinged sleeve blocks one are fixedly connected with a plurality of groups of positioning plates on the inner side, a positioning rod is fixedly connected with the middle part of a plurality of groups of support plate threes on the inner side, the top end of the positioning rod is a spherical body, a sliding block is fixedly connected with one side of the positioning plate, and the sliding block is slidingly connected with the top end of the positioning rod; a pushing mechanism, the pushing mechanism comprises a plurality of groups of circular rods fixedly connected with the inner side of the positioning plate, and a plurality of groups of circular rods are fixedly connected with a plurality of groups of outer sleeves which are hollowly arranged on the inner side, the outer sleeves are slidingly connected with inner tubes, the inner tubes are provided with a cutter adjusting assembly, a powerful motor is fixedly connected with the middle part of the positioning plate on the inner side, the powerful motor is penetratingly connected with a rotating shaft on the bottom end of the outer sleeve, the powerful motor is not in contact with the bottom end of the outer sleeve, a sliding groove is symmetrically opened on the top of the outer wall of the rotating shaft, the sliding groove is vertically and slidingly connected with the bottom end of the inner tube, a micro-motion assembly is arranged between the outer sleeve and the inner tube, the micro-motion assembly comprises a plurality of groups of support sleeve plates fixedly connected with the bottom end of the outer sleeve, and a plurality of groups of support sleeve plates are rotatably connected with a plurality of groups of balls on the outer end, a plurality of groups of powerful springs are elastically connected between the outer sleeve and the inner tube, the powerful springs are arranged on the outer side of the two groups of support sleeve plates, one side of the powerful spring is rotatably connected with the bottom end of the outer sleeve, the other side of the outer sleeve is fixedly connected with the bottom end of the inner tube, a plurality of groups of hemispheres are fixedly connected with the outer wall of the bottom end of the inner tube, and the two groups of hemispheres are rollingly abutted with the balls.

2. A TBM rock breaking test apparatus as claimed in claim 1, wherein, The cutter adjusting assembly comprises a plurality of groups of hydraulic rods four, the plurality of groups of hydraulic rods four are fixedly connected with the bottom end of the inner wall of the inner tube, and a plurality of groups of movable plates are fixedly connected with the outer end of the plurality of groups of hydraulic rods four, a plurality of groups of hinged sleeve blocks two are fixedly connected with the outer end of the movable plate, a plurality of groups of hinged plates are hingedly connected with the plurality of groups of hinged sleeve blocks two, a plurality of groups of hinged sleeve blocks three are hingedly connected with the outer end of the plurality of groups of hinged plates, and the plurality of groups of hinged plates are inclinedly and outwardly arranged from the hinged sleeve blocks two.

3. A TBM rock breaking test apparatus as claimed in claim 2, wherein, A plurality of groups of rotating rods are rotatably connected with the outer side of the plurality of groups of hinged sleeve blocks three, a plurality of groups of cutters are fixedly connected with the middle part of the plurality of groups of rotating rods, and a plurality of groups of rotating sleeve blocks are rotatably connected with the outer end of the plurality of groups of cutters.

4. A TBM rock breaking test apparatus as claimed in claim 3, wherein, A plurality of groups of hinged blocks are fixedly connected with the outer side of the plurality of groups of rotating sleeve blocks, a plurality of groups of hinged sleeve blocks four are rotatably connected with the plurality of groups of hinged blocks, the plurality of groups of hinged sleeve blocks four are fixedly connected with the outer end of the inner tube, and a protective plate is fixedly connected with the outer end of the inner tube.

5. The TBM rock breaking test apparatus of claim 1, wherein, Further comprising a clamping mechanism, the clamping mechanism comprises a plurality of groups of side pressure plates slidingly connected with the top end of the base, and the plurality of groups of side pressure plates are attached with the inner side of the support plate two, and a plurality of groups of side rods are fixedly connected with the outer side of the plurality of groups of side pressure plates.

6. A TBM rock breaking test apparatus as claimed in claim 5, wherein, The top ends of the two groups of side rods are centrally arranged in an inwardly inclined manner, and the top portions of the two groups of side rods are provided with guide notches.

7. A TBM rock breaking test apparatus as claimed in claim 5 wherein, The outer wall of the support plate is fixedly connected with a hydraulic rod one, the top end of the hydraulic rod one is fixedly connected with a top plate, the inner side of the top plate is fixedly connected with a sliding tab, and the inner side of the sliding tab is symmetrically and slidingly connected into the guide notch.

8. A TBM rock breaking test apparatus as claimed in claim 7, wherein, The bottom end of the sliding tab is fixedly connected with a vertical plate, the bottom end of the vertical plate is fixedly connected with a top pressing plate, and the inner sides of the top pressing plate and the side pressing plate are provided with sensors.

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