CN115931337A - Road and bridge support detection device - Google Patents

Road and bridge support detection device Download PDF

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Publication number
CN115931337A
CN115931337A CN202310020015.3A CN202310020015A CN115931337A CN 115931337 A CN115931337 A CN 115931337A CN 202310020015 A CN202310020015 A CN 202310020015A CN 115931337 A CN115931337 A CN 115931337A
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China
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bridge
detection mechanism
fixedly connected
road
compressive strength
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CN202310020015.3A
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CN115931337B (en
Inventor
刘琳
米雪青
封晓平
田冰
路盼
高燕
宋玉娟
王嘉宇
马亮亮
邵松松
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Shijiazhuang Highway And Bridge Construction Group Co ltd
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Shijiazhuang Highway And Bridge Construction Group Co ltd
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Abstract

The application provides a road and bridge support detection device, including compressive strength detection mechanism, elasticity detection mechanism and coefficient of friction detection mechanism shear, compressive strength detection mechanism includes first pneumatic cylinder, the bottom of first pneumatic cylinder is provided with the pressurization stand, the bottom fixed connection of pressurization stand has the compressive strength sample piece, elasticity detection mechanism shear includes two elasticity sample pieces that shear, the equal fixed connection in top at elasticity sample piece both ends shear has the pressure bar, the top fixed connection of pressure bar has the elasticity sample piece that shear, coefficient of friction detection mechanism includes the second pneumatic cylinder, the expansion end fixed connection of second pneumatic cylinder has the coefficient of friction sample piece. This application can utilize single detection mechanism under portal frame and supporting baseplate's support through the cooperation that utilizes compressive strength detection mechanism, elasticity detection mechanism and coefficient of friction detection mechanism that shears, accomplishes and waits to examine the comprehensive detection achievement of bridge beam supports.

Description

Road and bridge support detection device
Technical Field
The invention relates to the technical field of bridge support detection, in particular to a road and bridge support detection device.
Background
After the bridge engineering is put into use, the bridge supports can transmit the load borne by the upper structure to the lower structure, under the earthquake condition, the bridge can effectively reduce the transmission of the upper inertia force to the lower structure, the problem of serious damage of the bridge structure is prevented, and the use safety of the bridge is ensured. The common support forms for bridge engineering include: a felt or flat support, a plate rubber support, a ball support, a steel support, a special support and the like. Before the bridge bearing is put into use, strict quality detection is required, the bridge bearing detection generally comprises a compression elastic modulus test, a shear elastic modulus test, an ultimate compression strength test, a friction coefficient test and the like, and different test samples adopted in different tests are different and the positions acting on the bearing to be detected are also different.
The novel road and bridge support detection device with the existing Chinese patent document publication number of CN217006679U places the support required to be detected in the inner side of a storage tank when in use, then rotates a rotary disk from the outer side of a rotary bearing, the rotary disk of the support is rotated to the upper part of a support cushion frame, then a positioning insertion rod is inserted in the inner side of a positioning slot, so as to play a positioning role for the support, then a longitudinal cylinder is utilized to extend, the support in the storage tank is extruded and detected through a pressure sensor, then the support is displayed from a display screen on a control box, so that a user can observe, when the support is required to be replaced, the positioning insertion rod is taken out from the positioning slot, and the position of the rotary disk is rotated to replace, the hand does not need to be placed at the lower side of a transverse connecting frame in the process, so that the safety can be improved, but in the actual use process, the following defects are found:
firstly, the positions of the rotating disks can be rotated to switch the modes of the bridge bearing to be detected to a detection area and the like, hands do not need to be arranged on the lower side of the transverse connecting frame, when the bridge bearing on the rotating disks is detected, the bottoms of the rotating disks are supported by the supporting cushion blocks, and the rotating disks cannot smoothly rotate due to the fact that the rotating shafts of the rotating disks are subjected to large shearing force when the rotating disks are pressed due to gaps between the rotating disks and the supporting cushion blocks, and the bridge bearing to be detected is not convenient to load and unload;
secondly, the existing bridge bearing detection device can only carry out a compression elastic modulus test and a ultimate compression strength test through the extension of a longitudinal cylinder, can not synchronously carry out a friction coefficient test and a shear elastic modulus test, and has the advantages of single function and incomplete detection.
Therefore, the road and bridge support detection device is improved.
Disclosure of Invention
The invention aims to provide a road bridge support detection device, which can perform compression elastic modulus test, shear elastic modulus test, ultimate compressive strength test and friction coefficient test work of a bridge support to be detected under the support of a portal frame and a support plate by utilizing the cooperation of a compression strength detection mechanism, a shear elastic detection mechanism and a friction coefficient detection mechanism, and solves the problems that the conventional bridge support detection device can only perform the compression elastic modulus test and the ultimate compressive strength test through longitudinal cylinder extension, can not perform the friction coefficient test and the shear elastic modulus test synchronously, has single function and can not detect comprehensively.
In order to achieve the above purpose, the invention provides the following technical scheme:
a road and bridge support detecting device,
the testing device comprises a compressive strength detection mechanism for testing the compressive elastic modulus and the ultimate compressive strength, a shear elasticity detection mechanism for testing the shear elastic modulus and a friction coefficient detection mechanism for testing the friction coefficient, wherein the compressive strength detection mechanism comprises a first hydraulic cylinder, a movable end of the first hydraulic cylinder is fixedly connected with a first connecting disc, the bottom of the first connecting disc is fixedly connected with a second connecting disc through a bolt, the bottom end of the second connecting disc is fixedly connected with a pressurizing stand column, and the bottom end of the pressurizing stand column is fixedly connected with a compressive strength sample block;
the shear-resistant elastic detection mechanism comprises two shear-resistant elastic test blocks which are bilaterally symmetrical, the tops of two ends of each shear-resistant elastic test block are fixedly connected with a pressurizing rod, and the top end of each pressurizing rod is fixedly connected with a detection driving seat;
the friction coefficient detection mechanism comprises a second hydraulic cylinder, and a friction coefficient sample block is fixedly connected to the movable end of the second hydraulic cylinder.
As the preferred technical scheme of this application, the bottom assembled of first pneumatic cylinder stiff end is connected with the portal frame, the bottom of portal frame is provided with the support bedplate, the both sides at support bedplate top all are provided with four hornblocks, the hornblock passes through the bolt simultaneously with support bedplate and portal frame fixed connection.
According to the preferable technical scheme, the bottom end of the first connecting disc is fixedly connected with a positioning column head, and the positioning column head is connected to the inside of the pressurizing upright column in a plug-in mode.
As the preferred technical scheme of this application, the top pin joint formula that detects the drive seat is connected with passive slide bar, the outside movable being connected with the thick stick layering of passive slide bar, the middle part rotary type of thick stick layering is connected with the supporting shaft pole, the one end pin joint formula of thick stick layering is connected with the initiative slide bar, the outside movable being connected with the control seat of initiative slide bar, the one end and the fixed connection of pressurization stand of control seat.
As the preferred technical scheme of this application, first spout has been seted up to the one end of control seat, the inside at first spout is connected to initiative slide bar slidingtype, the second spout has been seted up to the one end of thick stick layering, driven slide bar slidingtype connection is in the inside of second spout.
As the preferred technical scheme of this application, the inboard top of portal frame is provided with two and supports the double slab, two the both sides of supporting the double slab top all are provided with two second fillets, the second fillet passes through the bolt simultaneously with support double slab and portal frame fixed connection, the third spout has been seted up to the inside of supporting double slab one side, the inside at the third spout is connected to passive slide bar slidingtype, the both ends of supporting shaft pole are pin joint formula connection respectively in the inside of two support double slabs.
As the preferred technical scheme of this application, the inboard middle part of portal frame is provided with two guide frame boards, two guide frame board bilateral symmetry sets up, the movable connection of pressurization stand is between two guide frame boards.
As the preferred technical scheme of this application, the top and the bottom of leading frame plate one side all are provided with first fillet, the both ends of first fillet all through the bolt simultaneously with leading frame plate and the fixed connection of portal frame, the movable inside at leading frame plate of connection of pressure bar.
As the preferred technical scheme of this application, the stiff end of second pneumatic cylinder passes through the fixed connection in bottom of bolt and portal frame one side, the movable bridge beam bearing of examining of being connected with in one side of coefficient of friction sample piece, examine movable connection in the bottom at elasticity proof mass and compressive strength proof mass of bridge beam bearing.
As the preferred technical scheme of this application, the location spout has been seted up on the top of support bedplate, wait to examine bridge beam supports sliding type connection in the inside of location spout, discharge window has been seted up to the bottom of portal frame one side, wait to examine the movable inside of connecting at discharge window of bridge beam supports, discharge window is located the offside of second pneumatic cylinder.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme of the application:
1. by extending the movable end of the first hydraulic cylinder out of the fixed end, the first connecting disc and the second connecting disc can be used for controlling the pressurizing stand column to enable the compressive strength sample block to apply pressure to the top of the bridge bearing to be detected, so that the compressive elastic modulus and the ultimate compressive strength of the bridge bearing to be detected can be tested conveniently;
2. the movable end of the first hydraulic cylinder is retracted towards the inside of the fixed end, and in the process that the pressurizing upright post is driven to move towards the top by the first connecting disc and the second connecting disc, the two control seats move towards the top to drive the driving slide rod to move towards the top, the driving slide rod drives the lever pressing strip to rotate around the supporting shaft rod, so that the other end of the lever pressing strip moves towards the bottom, the driven slide rod is pressed towards the bottom, the detection driving seat is controlled to drive the two pressurizing rods to push the shear-resistant elastic sample blocks towards the bottom to apply pressure to two sides of the top of the bridge support to be detected, and the shear-resistant elastic modulus test work of the bridge support to be detected is performed;
3. the pressurizing stand column drives the compressive strength sample block to apply pressure to the top of the bridge bearing to be detected at the bottom, the friction coefficient sample block is utilized to push the tendency that the bridge bearing to be detected moves towards one side in the positioning chute, and the friction force between the bottom end of the compressive strength sample block and the top end of the bridge bearing to be detected can be detected through the resistance difference of the movable end of the friction coefficient sample block extending out of the fixed end, so that the friction coefficient test work of the bridge bearing to be detected is facilitated;
4. through will wait to examine the one end that the bridge beam supports sent into the location spout from the outside to from the one end propelling movement of location spout under the portal frame, after friction coefficient test mechanism accomplished the experimental work of friction coefficient, make the pressurization stand drive the compressive strength sample piece and break away from with the top of waiting to examine the bridge beam supports, be convenient for promote the friction coefficient sample piece with the help of the second hydraulic cylinder and make waiting to examine the bridge beam supports and shift out from the inside of ejection of compact window, be favorable to accomplishing the work of unloading of waiting to examine the bridge beam supports fast.
Drawings
Fig. 1 is a schematic structural view of a road bridge support detection device provided by the present application in a state where a compressive strength sample block is separated from a bridge support to be detected;
FIG. 2 is a schematic structural view of the road and bridge support detection device provided by the present application in a state where the shear-resistant elastic sample block is separated from the bridge support to be detected;
FIG. 3 is an exploded view of a first hydraulic cylinder and a pressurized column of a road and bridge support detection device provided by the present application;
fig. 4 is a schematic view of a connection structure of a pressurizing upright post and a guide frame plate of the road and bridge support detection device provided by the present application;
FIG. 5 is a schematic view of a connection structure of a compressive strength detection mechanism and a shear elasticity detection mechanism of the road and bridge support detection device provided by the present application;
FIG. 6 is an enlarged schematic view of part A of the device for detecting a road and bridge support provided by the present application in FIG. 5;
FIG. 7 is a schematic view of a connection structure of a friction coefficient sample block and a bridge bearing to be detected of the device for detecting a road bridge bearing provided by the application.
The following are marked in the figure:
1. a compressive strength detection mechanism; 101. a first hydraulic cylinder; 102. a first splice tray; 103. pressurizing the upright post; 104. a compressive strength sample block; 105. a second connecting disc; 106. positioning the column cap;
2. a shear elasticity detection mechanism; 201. detecting a driving seat; 202. a pressurizing rod; 203. a shear resistant elastic sample block; 204. a driving slide bar; 205. a first chute; 206. a control seat; 207. a support shaft; 208. a passive slide bar; 209. pressing the bar; 210. a second chute;
3. a gantry; 4. supporting the double plate; 5. a first corner bar; 6. a guide frame plate; 7. a support base plate; 8. a bridge support to be detected;
9. a friction coefficient detection mechanism; 901. a second hydraulic cylinder; 902. a friction coefficient coupon;
10. a corner block; 11. a second corner strip; 12. a third chute; 13. a discharge window; 14. the positioning chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. 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.
It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 7, the present invention provides a technical solution: a road and bridge support detecting device,
example 1:
as shown in fig. 1, 2 and 3, the present embodiment provides a road and bridge support detecting apparatus, including a compressive strength detecting mechanism 1 for performing compressive elastic modulus and ultimate compressive strength tests, wherein the compressive strength detecting mechanism 1 includes a first hydraulic cylinder 101, a first connecting plate 102 is fixedly connected to a movable end of the first hydraulic cylinder 101, a second connecting plate 105 is fixedly connected to a bottom of the first connecting plate 102 through bolts, a pressurizing column 103 is fixedly connected to a bottom end of the second connecting plate 105, and a compressive strength sample block 104 is fixedly connected to a bottom end of the pressurizing column 103;
when the movable end of the first hydraulic cylinder 101 extends out of the fixed end, the first connecting disc 102 and the second connecting disc 105 can be used for controlling the pressurizing upright post 103 to enable the compressive strength sample block 104 to apply pressure to the top of the bridge bearing 8 to be tested, and the compressive elastic modulus and the pressure value applied by the ultimate compressive strength test can be obtained by monitoring the pressure difference between the movable end of the first hydraulic cylinder 101 and the inside of the first hydraulic cylinder 101 in the pressurizing process through the plc end;
secondly, in order to enable the movable end of the first hydraulic cylinder 101 to vertically apply pressure to the bottom, a portal frame 3 is connected to the bottom of the fixed end of the first hydraulic cylinder 101 in an assembling mode, a supporting seat plate 7 is arranged at the bottom end of the portal frame 3, four corner blocks 10 are arranged on two sides of the top of the supporting seat plate 7, and the portal frame 3 can be fixed to the top of the supporting seat plate 7 after the eight corner blocks 10 are fixedly connected with the supporting seat plate 7 and the portal frame 3 through bolts;
furthermore, in order to ensure the connection strength between the pressing column 103 and the first connecting plate 102 and reduce the shearing resistance of the connecting bolt between the first connecting plate 102 and the second connecting plate 105, a positioning stud 106 is fixedly connected to the bottom end of the first connecting plate 102, and the positioning stud 106 is connected to the inside of the pressing column 103 in a plug-in manner, so that the movable end of the first hydraulic cylinder 101 can extend to the inside of the pressing column 103.
Example 2:
the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:
as shown in fig. 4, 5 and 6, as a preferred embodiment, in addition to the above-mentioned embodiments, the apparatus further comprises a shear elasticity detection mechanism 2 for performing a shear elasticity modulus test, wherein the shear elasticity detection mechanism 2 comprises two shear elasticity test blocks 203 which are bilaterally symmetrical, top portions of both ends of the shear elasticity test blocks 203 are fixedly connected with a pressure rod 202, and a detection driving seat 201 is fixedly connected with a top end of the pressure rod 202;
the top of the detection driving seat 201 is connected with a driven sliding rod 208 in a pin joint mode, the outside of the driven sliding rod 208 is movably connected with a lever pressing strip 209, the middle of the lever pressing strip 209 is rotatably connected with a supporting shaft rod 207, one end of the lever pressing strip 209 is connected with a driving sliding rod 204 in a pin joint mode, in the process of controlling the driving sliding rod 204 to move up and down, one end of the lever pressing strip 209 can be driven to rotate around the driven sliding rod 208, and the other end of the lever pressing strip 209 moves reversely;
meanwhile, the control seat 206 is movably connected to the outside of the driving slide bar 204, and after one end of the control seat 206 is fixedly connected with the pressurizing upright post 103, power can be provided for the driving slide bar 204 to move up and down in the process that the first hydraulic cylinder 101 controls the pressurizing upright post 103 to move up and down;
secondly, in order to ensure that the active sliding rod 204 has a moving gap in the process that the control base 206 drives the active sliding rod 204 to move up and down, a first sliding slot 205 is formed at one end of the control base 206, so that the active sliding rod 204 is slidably connected inside the first sliding slot 205;
meanwhile, in order to ensure that the lever pressing strip 209 can move outside the passive sliding rod 208 in the process of controlling the passive sliding rod 208 to move up and down, and avoid rigid damage, a second sliding groove 210 is formed at one end of the lever pressing strip 209, so that the passive sliding rod 208 is connected inside the second sliding groove 210 in a sliding manner;
in some examples, two supporting double plates 4 are arranged at the top of the inner side of the portal frame 3, two second angle bars 11 are arranged on two sides of the top of each of the two supporting double plates 4, and the second angle bars 11 are fixedly connected with the supporting double plates 4 and the portal frame 3 through bolts;
the third sliding chute 12 is arranged inside one side of the supporting double plate 4, and the driven sliding rod 208 can be ensured to stably control the detection driving seat 201 to move up and down by connecting two ends of the driven sliding rod 208 inside the third sliding chute 12 in a sliding manner;
meanwhile, in order to ensure that the driven sliding rod 208 has a lever fulcrum, two ends of the supporting shaft rod 207 are respectively connected to the inside of the two supporting double plates 4 in a pin joint manner, and in the process of moving one end of the lever pressing strip 209, the other end of the lever pressing strip 209 can move in the opposite direction;
in some examples, in order to ensure that the bottom of the pressurizing upright post 103 stably travels in the process of moving up and down and can be matched with the friction coefficient detection mechanism 9 to perform friction coefficient test work, two guide frame plates 6 are arranged in the middle of the inner side of the portal frame 3, the two guide frame plates 6 are arranged symmetrically left and right, and the pressurizing upright post 103 is movably connected between the two guide frame plates 6, so that the bottom of the pressurizing upright post 103 is prevented from moving left and right, and the shearing resistance of the connecting point of the pressurizing upright post 103 and the first connecting disc 102 is improved;
wherein, the top and the bottom of guide frame plate 6 one side all are provided with first fillet 5, and the both ends of first fillet 5 all are connected with guide frame plate 6 and portal frame 3 fixed simultaneously through the bolt, move up and down in order to make pressure bar 202 can control the elasticity specimen block 203 that shears, make pressure bar 202 movable connection in the inside of guide frame plate 6.
Example 3:
the schemes of examples 1 and 2 are further described below in conjunction with specific working examples, which are described in detail below:
as shown in fig. 1 and 7, in addition to the above-described embodiment, the present invention further includes a friction coefficient detection means 9 for performing a friction coefficient test, wherein the friction coefficient detection means 9 includes a second hydraulic cylinder 901, and a friction coefficient sample block 902 is fixedly connected to a movable end of the second hydraulic cylinder 901;
the fixed end of the second hydraulic cylinder 901 is fixedly connected with the bottom of one side of the portal frame 3 through a bolt, one side of the friction coefficient sample block 902 is movably connected with a bridge support 8 to be detected, the bridge support 8 to be detected is movably connected with the bottoms of the shear elastic sample block 203 and the compressive strength sample block 104, when the pressurizing upright post 103 drives the compressive strength sample block 104 to apply pressure to the bridge support 8 to be detected at the top of the support base plate 7, the movable end of the second hydraulic cylinder 901 extends out of the fixed end to control the friction coefficient sample block 902 to push the bridge support 8 to be detected to move in the support base plate 7, so that friction coefficient test work is facilitated;
secondly, in order to enable the bridge bearing 8 to be detected to be fed in from one end of the support base plate 7 and conveniently to be discharged from the other end of the support base plate 7, the positioning chute 14 is formed in the top end of the support base plate 7, the bridge bearing 8 to be detected is connected in the positioning chute 14 in a sliding mode, the top of the bridge bearing 8 to be detected is pressurized through the compressive strength sample block 104, after the friction coefficient detection work of the second hydraulic cylinder 901 is completed through the friction coefficient sample block 902, the compressive strength sample block 104 can be separated from the bridge bearing 8 to be detected, the second hydraulic cylinder 901 can push the bridge bearing 8 to be detected to slide in the compressive strength sample block 104 through the friction coefficient sample block 902, and finally the bridge bearing 8 to be detected slides out from the discharging window 13 formed in the bottom of one side of the portal frame 3.
Specifically, this road and bridge beam supports detection device is when during operation/use:
when the movable end of the first hydraulic cylinder 101 extends out of the fixed end, the first connecting disc 102 and the second connecting disc 105 can be used for controlling the pressurizing upright post 103 to enable the compressive strength sample block 104 to apply pressure to the top of the bridge bearing 8 to be detected, the applied pressure value can be determined by the pressure difference obtained by the oil pressure monitoring meter of the first hydraulic cylinder 101, and the compressive elasticity modulus and the ultimate compressive strength test work of the bridge bearing 8 to be detected are facilitated;
when the movable end of the first hydraulic cylinder 101 retracts towards the inside of the fixed end, in the process of driving the pressurizing upright post 103 to move towards the top through the first connecting disc 102 and the second connecting disc 105, the two control seats 206 move towards the top to drive the driving slide bar 204 to move towards the top, the driving slide bar 204 slides in the first sliding groove 205, the driving slide bar 204 moving towards the top can drive the lever pressing strip 209 to rotate around the supporting shaft rod 207, so that the other end of the lever pressing strip 209 moves towards the bottom, and the driven slide bar 208 is pressed towards the bottom, in the process, the lever pressing strip 209 slides outside the driven slide bar 208 through the second sliding groove 210, and the driven slide bar 208 slides in the third sliding groove 12, so that the detection driving seat 201 is controlled to drive the two pressurizing rods 202 to push the shear-resistant elastic sample blocks 203 towards the bottom to apply pressure to the two sides of the top of the bridge bearing 8 to be detected, and the shear-resistant elastic modulus test work of the bridge bearing 8 to be detected is facilitated;
when the movable end of the first hydraulic cylinder 101 extends out of the fixed end, and the pressurizing upright post 103 pushes the compressive strength sample block 104 to contact with the top of the bridge bearing 8 to be detected, the movable end of the second hydraulic cylinder 901 is controlled to extend out of the fixed end, the friction coefficient sample block 902 is utilized to push the bridge bearing 8 to be detected to move towards one side in the positioning chute 14, the friction force between the bottom end of the compressive strength sample block 104 and the top end of the bridge bearing 8 to be detected can be detected, and the friction coefficient test work of the bridge bearing 8 to be detected is facilitated;
before the detection work of the bridge bearing 8 to be detected is carried out, the bridge bearing 8 to be detected is sent into one end of the positioning sliding groove 14 from the outside, and is pushed to the position under the portal frame 3 from one end of the positioning sliding groove 14, after the friction coefficient detection mechanism 9 finishes the friction coefficient test work, the movable end of the first hydraulic cylinder 101 is retracted into the fixed end, the pressurizing upright post 103 is enabled to drive the compressive strength sample block 104 to be separated from the top of the bridge bearing 8 to be detected, the friction coefficient sample block 902 is conveniently pushed by the aid of the second hydraulic cylinder 901 to enable the bridge bearing 8 to be detected to move to the other end of the positioning sliding groove 14, and therefore the bridge bearing 8 to be detected is moved out from the inside of the discharging window 13 and is efficient and rapid.
The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims (10)

1. The road and bridge support detection device is characterized by comprising a compressive strength detection mechanism (1) for performing compressive elastic modulus and ultimate compressive strength tests, wherein the compressive strength detection mechanism (1) comprises a first hydraulic cylinder (101), a first connecting disc (102) is fixedly connected to the movable end of the first hydraulic cylinder (101), a second connecting disc (105) is fixedly connected to the bottom of the first connecting disc (102) through bolts, a pressurizing upright (103) is fixedly connected to the bottom end of the second connecting disc (105), and a compressive strength sample block (104) is fixedly connected to the bottom end of the pressurizing upright (103); the shear elasticity detection mechanism (2) is used for performing a shear elasticity modulus test, the shear elasticity detection mechanism (2) comprises two shear elasticity test blocks (203) which are bilaterally symmetrical, the tops of two ends of each shear elasticity test block (203) are fixedly connected with a pressure rod (202), and the top end of each pressure rod (202) is fixedly connected with a detection driving seat (201); and a friction coefficient detection mechanism (9) for performing a friction coefficient test, wherein the friction coefficient detection mechanism (9) comprises a second hydraulic cylinder (901), and a friction coefficient sample block (902) is fixedly connected with the movable end of the second hydraulic cylinder (901).
2. The road and bridge support detection device according to claim 1, wherein a gantry (3) is assembled at the bottom of the fixed end of the first hydraulic cylinder (101), a support base plate (7) is arranged at the bottom end of the gantry (3), four corner blocks (10) are arranged on two sides of the top of the support base plate (7), and the corner blocks (10) are fixedly connected with the support base plate (7) and the gantry (3) through bolts.
3. A road and bridge supporting detection device according to claim 1, characterized in that the bottom end of said first connection disc (102) is fixedly connected with a positioning column head (106), and said positioning column head (106) is inserted and connected inside the pressurizing column (103).
4. The road and bridge support detection device according to claim 2, wherein a driven slide rod (208) is connected to the top of the detection driving seat (201) in a pin joint manner, a lever pressing strip (209) is movably connected to the outside of the driven slide rod (208), a supporting shaft rod (207) is rotatably connected to the middle of the lever pressing strip (209), a driving slide rod (204) is connected to one end of the lever pressing strip (209) in a pin joint manner, a control seat (206) is movably connected to the outside of the driving slide rod (204), and one end of the control seat (206) is fixedly connected with the pressurizing upright post (103).
5. The road and bridge support detection device according to claim 4, wherein one end of the control seat (206) is provided with a first sliding groove (205), the driving sliding rod (204) is slidably connected inside the first sliding groove (205), one end of the lever pressing bar (209) is provided with a second sliding groove (210), and the driven sliding rod (208) is slidably connected inside the second sliding groove (210).
6. The road and bridge support detection device according to claim 4, wherein two supporting double plates (4) are arranged at the top of the inner side of the portal frame (3), two second angle bars (11) are arranged on both sides of the top of the two supporting double plates (4), the second angle bars (11) are fixedly connected with the supporting double plates (4) and the portal frame (3) through bolts, a third sliding groove (12) is formed in the inner portion of one side of each supporting double plate (4), the driven slide bar (208) is slidably connected in the third sliding groove (12), and two ends of the supporting shaft lever (207) are respectively connected in the two supporting double plates (4) in a pin joint manner.
7. The road and bridge pedestal detection device according to claim 2, wherein two guide frame plates (6) are arranged in the middle of the inner side of the portal frame (3), the two guide frame plates (6) are arranged in bilateral symmetry, and the pressurizing upright column (103) is movably connected between the two guide frame plates (6).
8. The road and bridge pedestal detection device according to claim 7, wherein the top and bottom of one side of the guide frame plate (6) are provided with first angle bars (5), both ends of the first angle bars (5) are fixedly connected with the guide frame plate (6) and the portal frame (3) through bolts, and the pressure rod (202) is movably connected inside the guide frame plate (6).
9. The device for detecting the road and bridge bearing according to claim 2, wherein the fixed end of the second hydraulic cylinder (901) is fixedly connected with the bottom of one side of the portal frame (3) through a bolt, one side of the friction coefficient sample block (902) is movably connected with the bridge bearing to be detected (8), and the bridge bearing to be detected (8) is movably connected with the bottoms of the shear elastic sample block (203) and the compressive strength sample block (104).
10. The road and bridge bearing detection device according to claim 9, wherein a positioning chute (14) is formed at the top end of the support base plate (7), the bridge bearing (8) to be detected is slidably connected inside the positioning chute (14), a discharge window (13) is formed in the bottom of one side of the portal frame (3), the bridge bearing (8) to be detected is movably connected inside the discharge window (13), and the discharge window (13) is located at the opposite side of the second hydraulic cylinder (901).
CN202310020015.3A 2023-01-06 2023-01-06 Road and bridge support detection device Active CN115931337B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206609588U (en) * 2017-03-28 2017-11-03 成都工业学院 A kind of large-scale bridge support dynamic test system
CN210863405U (en) * 2019-10-13 2020-06-26 辽宁省交通规划设计院有限责任公司 A bridge support detection device
WO2021253199A1 (en) * 2020-06-15 2021-12-23 南京江东实业总公司清江公司 Device and method for tensile testing of cold work die steel
CN215894191U (en) * 2021-05-06 2022-02-22 青海省育才工程技术咨询有限公司 A bridge bearing compression shear testing machine
CN216012994U (en) * 2021-09-01 2022-03-11 张伟 Road and bridge support detection device
CN217931194U (en) * 2022-06-20 2022-11-29 上海市政工程检测中心有限公司 Modular resistance to shear compression test machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206609588U (en) * 2017-03-28 2017-11-03 成都工业学院 A kind of large-scale bridge support dynamic test system
CN210863405U (en) * 2019-10-13 2020-06-26 辽宁省交通规划设计院有限责任公司 A bridge support detection device
WO2021253199A1 (en) * 2020-06-15 2021-12-23 南京江东实业总公司清江公司 Device and method for tensile testing of cold work die steel
CN215894191U (en) * 2021-05-06 2022-02-22 青海省育才工程技术咨询有限公司 A bridge bearing compression shear testing machine
CN216012994U (en) * 2021-09-01 2022-03-11 张伟 Road and bridge support detection device
CN217931194U (en) * 2022-06-20 2022-11-29 上海市政工程检测中心有限公司 Modular resistance to shear compression test machine

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