CN216208114U - Beam column test system based on structural engineering teaching - Google Patents

Beam column test system based on structural engineering teaching Download PDF

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Publication number
CN216208114U
CN216208114U CN202122713088.XU CN202122713088U CN216208114U CN 216208114 U CN216208114 U CN 216208114U CN 202122713088 U CN202122713088 U CN 202122713088U CN 216208114 U CN216208114 U CN 216208114U
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China
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fixed
cross beam
bearing platform
gear
structural
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田晋
马晓
董芹芹
李道民
林琪超
齐鹏
吴海华
姜全生
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Jinan Heng Le Xing Ke Instrument Co ltd
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Jinan Heng Le Xing Ke Instrument Co ltd
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Abstract

The utility model discloses a beam column testing system based on structural engineering teaching, and relates to the technical field of civil engineering. The utility model comprises a balance mechanism, a bearing platform mechanism and a sensing mechanism; the bearing platform mechanism is positioned on the balance mechanism and is clamped between the balance mechanism and the balance mechanism; the sensing mechanism is positioned on the balancing mechanism and is in sliding fit with the balancing mechanism. According to the utility model, the gear piece fixed on the peripheral side surface of the bidirectional threaded cylinder is driven to rotate by the driving gear, so that the upper cross beam and the lower cross beam move oppositely between the two structural cylinder frames, the fixing of a column test piece to be tested is realized, the upper cross beam is dragged by a forklift and a crane instead of the existing device, and the time of a tester is saved; the rotary gear is driven to rotate through the circle starting gear, so that the bidirectional threaded rotating rod rotates on the rotary baffle and the rotary limiting plate to drive the two bearing platform mechanisms to move relatively on the lower cross beam, and the fixing of beam type test pieces or truss test pieces with different widths is realized.

Description

Beam column test system based on structural engineering teaching
Technical Field
The utility model belongs to the technical field of civil engineering, and particularly relates to a beam column testing system based on structural engineering teaching.
Background
The structural engineering beam column test teaching system device is mainly used for mechanical loading tests and related professional scientific research tests of civil engineering, can conveniently perform mechanical property tests on members such as walls, concrete beams, trusses, frames and nodes, and can also perform column, beam, truss, frame and node tests; the method is widely applied to static mechanical property tests of components, including tests of stretching, compression, bending, low cycle fatigue and the like; and a self-balancing design concept is adopted, and a counter-force ground groove is not needed during installation.
However, the experimental teaching system device of current structural engineering beam column, before carrying out the work regulation, need carry out the regulation of height to upper and lower crossbeam, a sample is waited to detect for adaptation different length size, and the experimental teaching system device of structural engineering beam column, when carrying out the fixed of waiting to detect the sample of different width sizes, the crossbeam in its device is mostly with fork truck and crane drag the entablature, loosen the connecting bolt of crossbeam and stand again, adjust the crossbeam height, this has just caused the unnecessary trouble for the experimenter, the loaded down with trivial details degree of experiment has been increased, reduce experimenter's work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a beam column test system based on structural engineering teaching, which solves the problems that the height of an upper cross beam and a lower cross beam needs to be adjusted to adapt to samples to be detected with different lengths before the operation and adjustment of the traditional structural engineering beam column test teaching system device are carried out through the design of a balance mechanism, a bearing platform mechanism and a sensing mechanism, the height of the cross beam in the device is adjusted by dragging the upper cross beam by a forklift and a crane, and then loosening connecting bolts of the cross beam and a vertical column, so that unnecessary troubles are caused to testers, the complexity of the experiment is increased, and the work efficiency of the testers is reduced.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a beam-column test system based on structural engineering teaching, which comprises a balance mechanism, a bearing platform mechanism and a sensing mechanism, wherein the balance mechanism is arranged on the bearing platform mechanism; the bearing platform mechanism is positioned on the balance mechanism and clamped between the balance mechanism and the balance mechanism; the sensing mechanism is positioned on the balancing mechanism and is in sliding fit with the balancing mechanism.
The balance mechanism comprises two symmetrical structural cylinder frames; an upper cross beam is in sliding fit between the two structural column frames; a lower cross beam is in sliding fit between the two structural column frames; a bidirectional threaded cylinder is rotatably matched inside the structural cylinder frame; gear pieces are fixed on the peripheral side surfaces of the bidirectional threaded cylinders; the bidirectional threaded cylinder is in threaded rotation fit with the upper cross beam; and the bidirectional threaded cylinder is in threaded running fit with the lower cross beam.
A driving motor is fixed at the bottom in the structural column frame; a driving gear is fixed on an output shaft of the driving motor; the driving gear is meshed with the gear piece.
Furthermore, a bearing platform clamping groove is formed in the circumferential surface of the upper cross beam; the top of the lower cross beam is provided with a sliding groove; a first knife edge hinge is fixed at the top of the lower cross beam; the two opposite side surfaces of the lower cross beam are respectively fixed with a rotating baffle; and the two opposite side surfaces of the lower cross beam are respectively fixed with a rotation limiting plate.
Furthermore, a rotating motor is fixed on one side surface of the rotating baffle; a circular gear is fixed on an output shaft of the rotating motor; a bidirectional threaded rotating rod is rotatably matched between the rotating baffle and the rotating limiting plate; the circumferential side surface of the bidirectional threaded rotating rod is provided with a rotating gear; the rotating gear is meshed with the circular gear.
Further, the bearing platform mechanism comprises a bearing platform frame; a second knife edge hinge is fixed at the top of the bearing platform frame; a sliding rail is fixed at the top in the bearing platform frame; the sliding rail is in sliding fit with the sliding groove;
two opposite side surfaces of the bearing platform frame are respectively fixed with a perforated ear plate; the ear plate with the hole is in threaded running fit with the bidirectional threaded rotating rod.
Further, the sensing mechanism comprises a pulling plate; the pulling plate is clamped with the bearing platform clamping groove.
A plurality of pull rods are fixed at the bottom of the pull plate; the side surface of the pull rod is clamped with a jack connecting plate.
Furthermore, a jack is fixed at the bottom of the jack connecting plate; a pressure sensor is fixed at the bottom of the jack; a flange plate is fixed at the bottom of the pressure sensor; and the bottom of the flange plate is connected with a third knife edge hinge through a fixing bolt.
The utility model has the following beneficial effects:
1. according to the utility model, the driving motor is started, so that the driving gear drives the gear piece fixed on the peripheral side surface of the bidirectional threaded cylinder to rotate, the upper cross beam and the lower cross beam move oppositely between the two structural cylinder frames, when the third knife edge hinge is in contact with the top of the to-be-tested column test piece, the to-be-tested column test piece is fixed through the fixing bolt, the to-be-tested column test piece is fixed, the situation that the cross beam in the existing device is mostly pulled by a forklift and a crane to the upper cross beam, and then the connecting bolt of the cross beam and the upright column is loosened to adjust the height of the cross beam is replaced, and the time of a tester is saved.
2. According to the utility model, the rotary motor is started to drive the circular gear to drive the rotary gear to rotate, so that the bidirectional threaded rotary rod rotates on the rotary baffle and the rotary limiting plate to drive the two opposite bearing platform mechanisms to move relatively on the lower cross beam, and the beam test pieces and the truss test pieces with different widths are fixed.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a beam-column testing system based on structural engineering teaching.
Fig. 2 is a schematic structural view of the balancing mechanism.
Fig. 3 is a front view of the balancing mechanism.
Fig. 4 is a cross-sectional view of the balancing mechanism.
Fig. 5 is an enlarged schematic view of a portion a of fig. 4.
Fig. 6 is a schematic structural view of the stage mechanism.
Fig. 7 is a front view of the stage mechanism.
Fig. 8 is a schematic structural view of the sensing mechanism.
In the drawings, the components represented by the respective reference numerals are listed below:
1-balance mechanism, 101-structural column frame, 102-upper beam, 103-lower beam, 104-bidirectional threaded cylinder, 105-gear piece, 106-driving motor, 107-driving gear, 108-bearing platform clamping groove, 109-sliding groove, 110-first knife edge hinge, 111-rotating baffle, 112-rotating limiting plate, 113-rotating motor, 114-circular gear, 115-bidirectional threaded rotating rod, 116-rotating gear, 2-bearing platform mechanism, 201-bearing platform frame, 202-second knife edge hinge, 203-sliding rail, 204-holed ear plate, 3-sensing mechanism, 301-pulling plate, 302-pulling rod, 303-jack connecting plate, 304-jack, 305-pressure sensor, 306-flange plate, 307-third knife-edge hinge.
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.
Referring to fig. 1-8, the present invention is a beam column testing system based on structural engineering teaching, which includes a balance mechanism 1, a bearing platform mechanism 2 and a sensing mechanism 3; the bearing platform mechanism 2 is positioned on the balance mechanism 1 and is clamped between the balance mechanism 1 and the bearing platform mechanism; the sensing mechanism 3 is positioned on the balance mechanism 1 and is in sliding fit with the balance mechanism 1;
the balance mechanism 1 comprises two symmetrical structural column frames 101; an upper cross beam 102 is in sliding fit between the two structural column frames 101; a lower cross beam 103 is in sliding fit between the two structural column frames 101; a bidirectional threaded cylinder 104 is rotatably matched inside the structural cylinder frame 101; a gear piece 105 is fixed on the peripheral side surface of the bidirectional threaded cylinder 104; the bidirectional threaded cylinder 104 is in threaded rotation fit with the upper cross beam 102; the bidirectional threaded cylinder 104 is in threaded rotation fit with the lower cross beam 103;
a driving motor 106 is fixed at the bottom in the structural column frame 101; a driving gear 107 is fixed on an output shaft of the driving motor 106; the drive gear 107 meshes with the gear member 105; replacing a third knife-edge hinge 307 in the sensing mechanism 3 with a universal ball hinge, placing a beam test piece on the top of a second knife-edge hinge 202 in two symmetrical bearing platform mechanisms 2, starting a rotating motor 113 to enable a circular gear 114 to drive a rotating gear 116 to rotate, enabling a bidirectional threaded rotating rod 115 to rotate on a rotating baffle 111 and a rotating limiting plate 112, driving two opposite bearing platform mechanisms 2 to move relatively on a lower cross beam 103, fixing the beam test piece or a truss test piece on the second knife-edge hinge 202 through a fixing bolt, starting a driving motor 106 to enable a driving gear 107 to drive a gear piece 105 fixed on the circumferential side surface of a bidirectional threaded cylinder 104 to rotate, enabling an upper cross beam 102 and the lower cross beam 103 to move oppositely between two structural cylinder frames 101, and fixing the beam test pieces with different widths and sizes is achieved; the column test piece to be tested is placed on a first knife edge hinge 110 fixed on the top of a lower cross beam 103, the first knife edge hinge is fixed through a fixing bolt, a driving motor 106 is started, a driving gear 107 drives a gear piece 105 fixed on the peripheral side face of a bidirectional threaded cylinder 104 to rotate, an upper cross beam 102 and the lower cross beam 103 move between two structure cylinder frames 101 in opposite directions, when a third knife edge hinge 307 is in contact with the top of the column test piece to be tested, the column test piece to be tested is fixed through the fixing bolt, the upper cross beam is mostly dragged by a forklift and a crane instead of a cross beam in the existing device, the cross beam height is adjusted by loosening a connecting bolt of the cross beam and a vertical column, and the time of testing personnel is saved.
Referring to fig. 1-8, a bearing platform slot 108 is formed on the peripheral surface of the upper beam 102; the top of the lower cross beam 103 is provided with a sliding groove 109; a first knife edge hinge 110 is fixed at the top of the lower cross beam 103; the two opposite side surfaces of the lower cross beam 103 are fixed with rotating baffles 111; the two opposite side surfaces of the lower cross beam 103 are fixed with rotation limiting plates 112; the rotating motor 113 is started to drive the circular gear 114 to drive the rotating gear 116 to rotate, so that the bidirectional threaded rotating rod 115 rotates on the rotating baffle 111 and the rotating limiting plate 112 to drive the two opposite bearing platform mechanisms 2 to move relatively on the lower cross beam 103, and the fixing of the beam test pieces to be detected with different lengths is realized.
Referring to fig. 1-8, a rotating motor 113 is fixed to one side of the rotating baffle 111; a circular gear 114 is fixed on an output shaft of the rotating motor 113; a bidirectional threaded rotating rod 115 is rotatably matched between the rotating baffle 111 and the rotating limit plate 112; a rotary gear 116 is arranged on the peripheral side surface of the bidirectional threaded rotary rod 115; the rotating gear 116 is meshed with the circular gear 114; the rotating motor 113 is started to drive the circular gear 114 to drive the rotating gear 116 to rotate, so that the bidirectional threaded rotating rod 115 rotates on the rotating baffle 111 and the rotating limiting plate 112 to drive the two opposite bearing platform mechanisms 2 to move relatively on the lower cross beam 103, and the fixing of the beam test pieces to be detected with different lengths is realized.
Referring to fig. 1, 6 and 8, the platform mechanism 2 includes a platform frame 201; a second knife edge hinge 202 is fixed at the top of the bearing platform frame 201; a sliding rail 203 is fixed at the top in the bearing platform frame 201; the slide rail 203 is in sliding fit with the slide groove 109;
two opposite side surfaces of the bearing platform frame 201 are fixed with perforated ear plates 204; the perforated ear plate 204 is in threaded rotation fit with the bidirectional threaded rotating rod 115; the third knife-edge hinge 307 in the sensing mechanism 3 is replaced by a universal ball hinge, the beam test piece is placed at the top of the second knife-edge hinge 202 in the two symmetrical bearing platform mechanisms 2, and the beam test piece or the truss test piece is fixed on the second knife-edge hinge 202 through a fixing bolt.
Referring to fig. 1 and 8, the sensing mechanism 3 includes a pulling plate 301; the pulling plate 301 is clamped with the bearing platform clamping groove 108;
a plurality of pull rods 302 are fixed at the bottom of the pull plate 301; a jack connecting plate 303 is clamped on the peripheral side of the pull rod 302; the pulling plate 301 and the bearing platform clamping groove 108 are clamped, so that the sensing mechanism 3 is connected to the balance mechanism 1 in a clamping mode.
Referring to fig. 1 and 8, a jack 304 is fixed at the bottom of the jack connecting plate 303; a pressure sensor 305 is fixed at the bottom of the jack 304; a flange plate 306 is fixed at the bottom of the pressure sensor 305; the bottom of the flange plate 306 is connected with a third knife edge hinge 307 through a fixing bolt; the flange plate 306 is connected with the third knife edge hinge 307 through a fixing bolt, and the top of the column test piece to be tested is fixed on the third knife edge hinge 307.
The working principle of the embodiment is as follows:
replacing a third knife-edge hinge 307 in the sensing mechanism 3 with a universal ball hinge, placing a beam test piece or a truss test piece on the top of a second knife-edge hinge 202 in two symmetrical bearing platform mechanisms 2, starting a rotating motor 113 to enable a circular gear 114 to drive a rotating gear 116 to rotate, enabling a bidirectional threaded rotating rod 115 to rotate on a rotating baffle 111 and a rotating limiting plate 112, driving the two opposite bearing platform mechanisms 2 to move relatively on a lower cross beam 103, fixing the beam test piece or the truss test piece on the second knife-edge hinge 202 through a fixing bolt, starting a driving motor 106 to enable a driving gear 107 to drive a gear piece 105 fixed on the circumferential side of a bidirectional threaded cylinder 104 to rotate, enabling an upper cross beam 102 and the lower cross beam 103 to move oppositely between two structural cylinder frames 101, and realizing the fixation of the beam test pieces or the truss test pieces with different widths; the column test piece to be tested is placed on a first knife edge hinge 110 fixed on the top of a lower cross beam 103, the first knife edge hinge is fixed through a fixing bolt, a driving motor 106 is started, a driving gear 107 drives a gear piece 105 fixed on the peripheral side face of a bidirectional threaded cylinder 104 to rotate, an upper cross beam 102 and the lower cross beam 103 move between two structure cylinder frames 101 in opposite directions, when a third knife edge hinge 307 is in contact with the top of the column test piece to be tested, the column test piece to be tested is fixed through the fixing bolt, the upper cross beam is mostly dragged by a forklift and a crane instead of a cross beam in the existing device, the cross beam height is adjusted by loosening a connecting bolt of the cross beam and a vertical column, and the time of testing personnel is saved.
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 utility model. 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 preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A beam column test system based on structural engineering teaching comprises a balance mechanism (1), a bearing platform mechanism (2) and a sensing mechanism (3); the method is characterized in that: the bearing platform mechanism (2) is positioned on the balance mechanism (1) and is clamped between the balance mechanism and the balance mechanism; the sensing mechanism (3) is positioned on the balancing mechanism (1) and is in sliding fit with the balancing mechanism;
the balance mechanism (1) comprises two symmetrical structural cylinder frames (101); an upper cross beam (102) is in sliding fit between the two structural column frames (101); a lower cross beam (103) is in sliding fit between the two structural column frames (101); a bidirectional threaded cylinder (104) is rotatably matched in the structural cylinder frame (101); a gear piece (105) is fixed on the peripheral side surface of the bidirectional threaded cylinder (104); the bidirectional threaded cylinder (104) is in threaded rotation fit with the upper cross beam (102); the bidirectional threaded cylinder (104) is in threaded rotation fit with the lower cross beam (103);
a driving motor (106) is fixed at the bottom in the structural column frame (101); a driving gear (107) is fixed on an output shaft of the driving motor (106); the driving gear (107) is meshed with the gear piece (105).
2. The beam column test system based on structural engineering teaching as claimed in claim 1, wherein a bearing platform clamping groove (108) is formed in the peripheral surface of the upper cross beam (102); the top of the lower cross beam (103) is provided with a sliding groove (109); a first knife edge hinge (110) is fixed at the top of the lower cross beam (103); the two opposite side surfaces of the lower cross beam (103) are respectively fixed with a rotating baffle (111); and rotation limiting plates (112) are fixed on two opposite side surfaces of the lower cross beam (103).
3. The beam column test system based on structural engineering teaching as claimed in claim 2, wherein a rotating motor (113) is fixed to one side of the rotating baffle (111); a circular gear (114) is fixed on an output shaft of the rotating motor (113); a bidirectional threaded rotating rod (115) is rotatably matched between the rotating baffle plate (111) and the rotating limiting plate (112); a rotary gear (116) is arranged on the peripheral side surface of the bidirectional threaded rotating rod (115); the rotating gear (116) is meshed with the circular gear (114).
4. The beam column test system based on structural engineering teaching as claimed in claim 3, wherein the bearing platform mechanism (2) comprises a bearing platform frame (201); a second knife edge hinge (202) is fixed at the top of the bearing platform frame (201); a sliding rail (203) is fixed at the top in the bearing platform frame (201); the sliding rail (203) is in sliding fit with the sliding groove (109);
two opposite side surfaces of the bearing platform frame (201) are respectively fixed with a perforated ear plate (204); the perforated ear plate (204) is in threaded rotation fit with the bidirectional threaded rotating rod (115).
5. The beam column test system based on structural engineering teaching as claimed in claim 4, characterized in that the sensing mechanism (3) comprises a pulling plate (301); the pulling plate (301) is clamped with the bearing platform clamping groove (108);
a plurality of pull rods (302) are fixed at the bottom of the pull plate (301); the side surface of the periphery of the pull rod (302) is clamped with a jack connecting plate (303).
6. The beam column test system based on structural engineering teaching as claimed in claim 5, wherein a jack (304) is fixed at the bottom of the jack connecting plate (303); a pressure sensor (305) is fixed at the bottom of the jack (304); a flange plate (306) is fixed at the bottom of the pressure sensor (305); the bottom of the flange plate (306) is connected with a third knife edge hinge (307) through a fixing bolt.
CN202122713088.XU 2021-11-08 2021-11-08 Beam column test system based on structural engineering teaching Active CN216208114U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122713088.XU CN216208114U (en) 2021-11-08 2021-11-08 Beam column test system based on structural engineering teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122713088.XU CN216208114U (en) 2021-11-08 2021-11-08 Beam column test system based on structural engineering teaching

Publications (1)

Publication Number Publication Date
CN216208114U true CN216208114U (en) 2022-04-05

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CN202122713088.XU Active CN216208114U (en) 2021-11-08 2021-11-08 Beam column test system based on structural engineering teaching

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CN (1) CN216208114U (en)

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