CN217331896U - Pressure test device for detecting bearing capacity of well lid - Google Patents

Abstract

The application relates to the field of well lid detection, and discloses a pressure test device for detecting well lid bearing capacity, and it includes workstation, application of pressure mechanism and is used for carrying out the positioning mechanism who fixes a position to the well lid, the centre bore has been seted up on the workstation, application of pressure mechanism connects on the workstation, positioning mechanism includes a plurality of locating pieces, and is a plurality of the locating piece is all connected on the workstation, it is a plurality of the locating piece sets up along the week side interval of centre bore. This application has the accuracy that improves well lid and mechanism of exerting pressure and align to improve the effect of well lid testing result's accuracy.

Description

Pressure test device for detecting bearing capacity of well lid

Technical Field

The application relates to the field of well lid detection, in particular to a pressure test device for detecting the bearing capacity of a well lid.

Background

Underground pipelines such as sewage pipelines, drainage pipelines and communication cable pipelines are important components of urban construction, all are provided with the access & exit that is used for maintenance, maintenance on all kinds of underground pipelines, all are provided with the well lid on the access & exit of all kinds of underground pipelines, in the well lid production process, in order to guarantee the quality of well lid, the well lid sampling that the staff need produce carries out bearing capacity's detection.

At present, the current well lid bearing capacity's detection, mostly detect through a pressure test machine, comprises a workbench, useful centre bore is seted up at the center of workstation, be provided with pressure sensor in the centre bore, set up the biasing mechanism who exerts pressure to the well lid on the workstation, biasing mechanism's center aligns with the center of centre bore, when examining the well lid, at first the staff places the well lid that awaits measuring on the workstation, then promote the well lid, make the center of well lid align with biasing mechanism's center, then exert pressure to the well lid and detect.

Aiming at the related technologies, the inventor thinks that after a worker places the well lid on a workbench, the worker pushes the well lid to align with a pressure applying mechanism, so that errors are inevitable, and the defects that the alignment of the center of the well lid and the center of the pressure applying mechanism is inaccurate, and the accuracy of a detection result is influenced exist.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the well lid when the detection with the center alignment inaccuracy of mechanism of exerting pressure, influence the problem of testing result accuracy, this application provides a pressure test device for detecting well lid bearing capacity.

The application provides a pressure test device for detecting well lid bearing capacity adopts following technical scheme:

the utility model provides a pressure test device for detecting well lid bearing capacity, includes workstation, application of pressure mechanism and is used for carrying out the positioning mechanism who fixes a position the well lid, the centre bore has been seted up on the workstation, application of pressure mechanism connects on the workstation, positioning mechanism includes a plurality of locating pieces, and is a plurality of the locating piece is all connected on the workstation, and is a plurality of the locating piece sets up along the week side interval of centre bore.

Through adopting above-mentioned technical scheme, week side at the centre bore sets up a plurality of locating pieces, when needs examine the well lid, the staff places the well lid between a plurality of locating pieces, utilizes a plurality of locating pieces to inject the position of well lid, reduces the possibility that the well lid position of placing takes place the skew, improves the accuracy that well lid and application of pressure mechanism align to improve the accuracy that detects data.

Preferably, be provided with actuating mechanism on the workstation, it is a plurality of the equal sliding connection of locating piece is in on the workstation, it is a plurality of the locating piece all with actuating mechanism connects, actuating mechanism connects on the workstation, actuating mechanism drives a plurality of the locating piece is synchronous along being close to or keeping away from the direction of centre bore removes.

By adopting the technical scheme, the driving mechanism is arranged on the workbench, and the driving mechanism is utilized to drive the positioning blocks to synchronously move, so that the positions of the positioning blocks can be adjusted, the positioning mechanism can position well covers with different sizes, and the applicability of the positioning mechanism is improved; when the well lid is placed to needs, at first, utilize a plurality of locating pieces of actuating mechanism drive to remove to the position of keeping away from the centre bore, place the well lid on the workstation between a plurality of locating pieces then, then reuse a plurality of locating pieces of actuating mechanism drive to the position that is close to the centre bore and remove, thereby it removes to drive the well lid on the workstation, make the well lid align with the center of applying pressure mechanism, through placing the well lid on the workstation earlier, the position of a plurality of locating pieces of redriving is adjusted the well lid, the convenience that the well lid was placed is improved.

Preferably, a plurality of sliding grooves are formed in the workbench, the sliding grooves and the positioning blocks are arranged in a one-to-one correspondence manner, each sliding groove is formed along the moving direction of the corresponding positioning block, each positioning block is fixedly connected with a sliding block, and the sliding blocks are connected in the sliding grooves which are fixedly connected with the sliding grooves and correspond to the positioning blocks.

Through adopting above-mentioned technical scheme, seted up a plurality of grooves that slide on the workstation, a plurality of sliding block difference sliding connection utilize a plurality of grooves that slide to lead to the removal of a plurality of locating pieces in its corresponding groove that slides, improve the stability that a plurality of locating pieces removed.

Preferably, each sliding groove is provided with a limiting groove on the side wall, each sliding block is fixedly connected with a limiting block matched with the limiting groove, and each limiting block is slidably connected in the limiting groove corresponding to the sliding block fixedly connected with the sliding block.

Through adopting above-mentioned technical scheme, at the equal fixed connection stopper in the both sides of every sliding block, stopper sliding connection utilizes stopper and spacing groove to restrict the removal of sliding block in its spacing inslot that corresponds, reduces the possibility that sliding block breaks away from the sliding inslot.

Preferably, the side of the limiting block close to the ground and the side of the limiting block far away from the ground are both provided with balls.

Through adopting above-mentioned technical scheme, set up the ball on the stopper, the friction between ball and the spacing groove is rolling friction to reduce the frictional force between stopper and the spacing groove, make things convenient for the stopper to remove in the spacing groove.

Preferably, actuating mechanism is located the inside of workstation, actuating mechanism includes drive assembly and drive assembly, drive assembly connects the inside of workstation, drive assembly includes connecting block and many transfer lines, the connecting block center with the line perpendicular to ground at mechanism center of exerting pressure, the connecting block with drive assembly connects, drive assembly drives the connecting block is along being close to or keeping away from the direction on ground and removing, many the transfer line is with a plurality of the setting of sliding block one-to-one, every the one end of transfer line rather than corresponding the sliding block is articulated, every the other end of transfer line with the connecting block is articulated.

Through adopting above-mentioned technical scheme, it has many transfer lines to articulate on the connecting block, when needs adjust the position of a plurality of locating pieces, utilizes drive assembly drive connecting block lift, and the connecting block lift drives rather than a plurality of transfer lines of articulated and removes, and a plurality of transfer lines remove and drive a plurality of sliding block and remove to drive a plurality of locating pieces and remove, realize the regulation of a plurality of locating piece positions.

Preferably, drive assembly includes screw rod and guide bar, the screw rod rotates to be connected the inside of workstation, the axis of rotation and the perpendicular to the ground of screw rod, the screw rod is worn to establish on the connecting block, the connecting block with screw rod threaded connection, the guide bar is worn to establish on the connecting block, the connecting block with guide bar sliding connection, the guide bar fixed connection be in the inside of workstation, the axis of guide bar with the axis of rotation of screw rod is parallel.

Through adopting above-mentioned technical scheme, rotate connecting screw on the workstation, connecting block and screw rod threaded connection utilize the guide bar to lead the removal of connecting block, rotate the connecting block removal that the screw rod drove rather than threaded connection to realize the regulation of connecting block height.

Preferably, drive assembly still includes dwang, first bevel gear and second bevel gear, the dwang is worn to establish on the lateral wall of workstation, the dwang with the workstation rotates to be connected, the axis of rotation of dwang with the axis of rotation of screw rod is perpendicular, first bevel gear with the coaxial fixed connection of dwang, second bevel gear with the coaxial fixed connection of screw rod, first bevel gear is connected with second bevel gear meshing.

Through adopting above-mentioned technical scheme, wear to establish the dwang on the lateral wall of workstation, the staff drives first bevel gear through rotating the dwang and rotates, first bevel gear rotates and drives rather than the rotation of engaged second bevel gear to drive the screw rod and rotate, drive the screw rod through setting up the dwang in workstation one side and rotate, reduce the staff and need stretch into the workstation inside with the hand and carry out the pivoted possibility, improve the convenience that actuating mechanism used.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plurality of positioning blocks are arranged on the workbench, a worker places the well lid among the plurality of positioning blocks, the positions of the well lid are limited by the plurality of positioning blocks, the possibility of deviation of the placed well lid position is reduced, the alignment accuracy of the well lid and the pressure applying mechanism is improved, and therefore the accuracy of detection data is improved;

2. the positioning blocks are connected to the workbench in a sliding mode, the driving mechanism is used for driving the positioning blocks to move synchronously, and the positions of the positioning blocks can be adjusted, so that the positioning mechanism can position well covers of different sizes, and the applicability of the positioning mechanism is improved;

3. the rotating rod is arranged on one side of the workbench in a penetrating mode, the worker drives the first bevel gear which is fixedly connected with the workbench in a coaxial mode to rotate through the rotating rod, the first bevel gear rotates to drive the second bevel gear which is meshed with the first bevel gear to rotate, the screw rod is driven to rotate, the possibility that the worker needs to stretch hands into the workbench to rotate is reduced, and the use convenience of the driving mechanism is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the structure of a drive mechanism in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a drive assembly in an embodiment of the present application;

fig. 4 is an enlarged view of a portion a in fig. 3 of the present application.

Reference numerals: 100. a work table; 110. a central bore; 120. a pressure sensor; 200. a pressure applying mechanism; 210. a support frame; 220. a hydraulic cylinder; 230. briquetting; 300. a positioning mechanism; 310. positioning blocks; 400. a drive mechanism; 410. a drive assembly; 411. a screw; 412. a guide bar; 413. rotating the rod; 414. a first bevel gear; 415. a second bevel gear; 416. a hand wheel; 420. a transmission assembly; 421. connecting blocks; 422. a transmission rod; 500. a sliding groove; 510. a sliding block; 520. a limiting groove; 530. a limiting block; 540. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a pressure test device for detecting well lid bearing capacity.

Referring to fig. 1, a pressure test device for detecting the bearing capacity of a manhole cover comprises a workbench 100, a central hole 110 is formed above the workbench 100, the central hole 110 is located at the center above the workbench 100, a pressure sensor 120 is installed in the central hole 110, the workbench 100 is arranged in a hollow mode, a pressing mechanism 200 is installed on the workbench 100, the pressing mechanism 200 comprises a supporting frame 210 fixedly connected above the workbench 100, a hydraulic cylinder 220 is fixedly connected above the supporting frame 210, the hydraulic cylinder 220 is arranged vertically, a piston rod of the hydraulic cylinder 220 penetrates through the supporting frame 210 and then is fixedly connected with a pressing block 230, the pressing block 230 is located at the lower end of the piston rod of the hydraulic cylinder 220, and a connecting line between the center of the pressing block 230 and the center of the central hole 110 is perpendicular to the ground. The positioning mechanism 300 is installed on the worktable 100, the positioning mechanism 300 includes a plurality of positioning blocks 310, the plurality of positioning blocks 310 are all installed above the worktable 100, and the plurality of positioning blocks 310 are arranged along the peripheral side of the central hole 110 at equal intervals. Utilize a plurality of stoppers 530 to inject the position of well lid, reduce the well lid position of placing and take place the possibility of skew, improve the well lid and the accuracy of applying pressure mechanism 200 and aliging. The positioning blocks 310 are slidably connected to the worktable 100, a driving mechanism 400 is installed on the worktable 100, and the driving mechanism 400 drives the positioning blocks 310 to synchronously move in a direction close to or far away from the central hole 110. Utilize actuating mechanism 400 drive a plurality of locating pieces 310 synchronous motion, make the position of a plurality of locating pieces 310 adjustable to make positioning mechanism 300 can fix a position the not well lid of equidimension, improve positioning mechanism 300's suitability. When placing the well lid, the staff at first utilizes a plurality of locating pieces 310 of actuating mechanism 400 drive to remove to the direction of keeping away from centre bore 110, then the staff places the well lid on workstation 100, then a plurality of locating pieces 310 of redriving remove, locating piece 310 removes the well lid that drives on the workstation 100 and removes, make the well lid align with the center of applying pressure mechanism 200, place on workstation 100 through the well lid earlier, the position of a plurality of locating pieces 310 of redriving is adjusted the well lid, the convenience that the well lid was placed is improved.

Referring to fig. 2 and 3, a plurality of sliding grooves 500 have been seted up on the workstation 100, a plurality of sliding grooves 500 all communicate with the inside of workstation 100, a plurality of sliding grooves 500 set up with a plurality of locating piece 310 one-to-one, every sliding groove 500 is seted up along the moving direction of its locating piece 310 that corresponds, the equal fixedly connected with of below of every locating piece 310 slides the piece 510 rather than the sliding groove 500 looks adaptation that corresponds, every slide piece 510 sliding connection is in rather than the sliding groove 500 that fixed connection's locating piece 310 corresponds.

Referring to fig. 3 and 4, the two sides of each sliding block 510 are fixedly connected with a limiting block 530, the two sides of each sliding groove 500 are provided with a limiting groove 520, the limiting grooves 520 are formed along the length direction of the corresponding sliding grooves 500, and the two limiting blocks 530 fixedly connected to each sliding block 510 are respectively slidably connected in the two limiting grooves 520 formed in the corresponding sliding grooves 500. Through with stopper 530 sliding connection in its corresponding spacing groove 520, utilize spacing groove 520 to carry on spacingly to stopper 530, reduce the possibility that sliding block 510 breaks away from in sliding groove 500, improve the stability that sliding block 510 removed.

Referring to fig. 4, a plurality of balls 540 are installed at upper and lower sides of each stopper 530, and each ball 540 is roll-coupled to the stopper 530. When the limiting block 530 slides in the limiting groove 520, the friction between the ball 540 and the limiting groove 520 is rolling friction, so that the friction between the limiting block 530 and the limiting groove 520 is reduced, and the limiting block 530 can conveniently move in the limiting groove 520.

Referring to fig. 1, 2 and 3, the driving mechanism 400 includes a driving assembly 410 installed inside the work table 100, a transmission assembly 420 is installed on the driving assembly 410, and a plurality of sliding blocks 510 are connected to the transmission assembly 420.

The driving assembly 410 includes a vertically disposed screw 411, the screw 411 is rotatably connected to the inside of the working table 100, and the rotation axis of the screw 411 is collinear with the line connecting the center of the pressing block 230 and the center of the central hole 110. The transmission assembly 420 comprises a connecting block 421, the connecting block 421 is coaxially sleeved on the screw 411, the connecting block 421 is in threaded connection with the screw 411, and the horizontal section of the connecting block 421 is circular. Two guide rods 412 penetrate through the connecting block 421, the connecting block 421 is slidably connected with the two guide rods 412, the two guide rods 412 are vertically arranged, the two guide rods 412 are fixedly connected inside the workbench 100, and the two guide rods 412 are respectively located on two opposite sides of the screw 411.

The side wall of the connecting block 421 is hinged with a plurality of transmission rods 422, the plurality of transmission rods 422 are arranged in one-to-one correspondence with the plurality of sliding blocks 510, the hinge axis of each transmission rod 422 and the connecting block 421 is horizontally arranged, the hinge axis of each transmission rod 422 and the connecting block 421 is perpendicular to the moving direction of the corresponding sliding block 510 of the transmission rod 422, one end of each transmission rod 422, which is far away from the connecting block 421, is hinged with the corresponding sliding block 510, and the hinge axis of each transmission rod 422 and the corresponding sliding block 510 is parallel to the hinge axis of the transmission rod 422 and the connecting block 421. When a plurality of positioning blocks 310 need to be moved, the screw 411 is rotated, the limiting position of the guide rod 412 is utilized to drive the connecting block 421 to ascend and descend, the connecting block 421 ascends and descends to drive the plurality of transmission rods 422 hinged to the connecting block to move, the plurality of transmission rods 422 move to drive the plurality of sliding blocks 510 to move, and therefore the positioning blocks 310 fixedly connected with each sliding block 510 are driven to move.

Referring to fig. 2 and 3, a rotating rod 413 is arranged on the side wall of the workbench 100 in a penetrating manner, the rotating rod 413 is horizontally arranged, the rotating rod 413 is connected with the workbench 100 in a rotating manner, one end of the rotating rod 413 is located inside the workbench 100, the other end of the rotating rod 413 is located outside the workbench 100, a hand wheel 416 is fixedly connected to one end of the rotating rod 413 located outside the workbench 100 in a coaxial manner, a first bevel gear 414 is fixedly connected to one end of the rotating rod 413 far away from the hand wheel 416 in a coaxial manner, a second bevel gear 415 is fixedly connected to the screw 411 in a coaxial manner, and the first bevel gear 414 is meshed with the second bevel gear 415. The staff drives the dwang 413 through rotating hand wheel 416 and rotates, and the dwang 413 rotates and drives rather than coaxial fixed connection's first bevel gear 414 and rotate, and first bevel gear 414 rotates and drives and rotate rather than the second bevel gear 415 of meshing to drive screw 411 and rotate, reduce the staff and need stretch into the inside pivoted possibility that carries out of workstation 100 with the hand, improve the convenience that actuating mechanism 400 used.

The implementation principle of the pressure test device for detecting the bearing capacity of the well lid in the embodiment of the application is as follows: through setting up a plurality of locating pieces 310 on workstation 100, when needs examine the well lid, the staff places the well lid between a plurality of locating pieces 310, utilizes a plurality of locating pieces 310 to inject the position of well lid, reduces the possibility that the well lid position of placing takes place the skew, improves the accuracy that well lid and pressing mechanism 200 aligned to improve the accuracy of detecting data.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a pressure test device for detecting well lid bearing capacity which characterized in that: including workstation (100), mechanism (200) of exerting pressure and be used for carrying out positioning mechanism (300) of location to the well lid, centre bore (110) have been seted up on workstation (100), mechanism (200) of exerting pressure are connected on workstation (100), positioning mechanism (300) include a plurality of locating pieces (310), and are a plurality of locating piece (310) all are connected on workstation (100), it is a plurality of locating piece (310) set up along the week side interval of centre bore (110).

2. The pressure test device for detecting the bearing capacity of the well lid as claimed in claim 1, wherein: be provided with actuating mechanism (400) on workstation (100), it is a plurality of equal sliding connection of locating piece (310) is in on workstation (100), it is a plurality of locating piece (310) all with actuating mechanism (400) are connected, actuating mechanism (400) are connected on workstation (100), actuating mechanism (400) drive is a plurality of locating piece (310) are along being close to or keeping away from the direction synchronous movement of centre bore (110).

3. The pressure test device for detecting the bearing capacity of the well lid as claimed in claim 2, wherein: the workbench (100) is provided with a plurality of sliding grooves (500), the sliding grooves (500) are in one-to-one correspondence with the positioning blocks (310), each sliding groove (500) is arranged along the moving direction of the corresponding positioning block (310), each positioning block (310) is fixedly connected with a sliding block (510), and the sliding block (510) is connected to the sliding grooves (500) in a sliding mode and is fixedly connected with the sliding block (510).

4. A pressure test device for testing the carrying capacity of a manhole cover according to claim 3, wherein: every all seted up spacing groove (520) on the lateral wall in groove (500) slides, every equal fixedly connected with on sliding block (510) with spacing block (530) of spacing groove (520) looks adaptation, every limiting block (530) sliding connection be at its fixed connection sliding block (510) correspond in spacing groove (520) that groove (500) seted up slides.

5. A pressure test device for testing the carrying capacity of a manhole cover according to claim 4, wherein: and balls (540) are arranged on one side of the limiting block (530) close to the ground and one side of the limiting block (530) far away from the ground.

6. A pressure test device for testing the carrying capacity of a manhole cover according to claim 4, wherein: actuating mechanism (400) are located the inside of workstation (100), actuating mechanism (400) include drive assembly (410) and transmission assembly (420), transmission assembly (420) include connecting block (421) and many transfer lines (422), connecting block (421) center with the line perpendicular to ground at mechanism (200) center of exerting pressure, connecting block (421) with drive assembly (410) are connected, drive assembly (410) drive connecting block (421) are along being close to or keeping away from the direction on ground and removing, many transfer line (422) are with a plurality of sliding block (510) one-to-one sets up, every the one end of transfer line (422) and its correspondence sliding block (510) are articulated, every the other end of transfer line (422) with connecting block (421) are articulated.

7. A pressure test device for testing the carrying capacity of manhole covers according to claim 6, characterized in that: drive assembly (410) includes screw rod (411) and guide bar (412), screw rod (411) rotate to be connected the inside of workstation (100), the axis of rotation and the ground vertical of screw rod (411), screw rod (411) wear to establish on connecting block (421), connecting block (421) with screw rod (411) threaded connection, guide bar (412) wear to establish on connecting block (421), connecting block (421) with guide bar (412) sliding connection, guide bar (412) fixed connection be in the inside of workstation (100), the axis of guide bar (412) with the axis of rotation of screw rod (411) is parallel.

8. The pressure test device for detecting the bearing capacity of the well lid as claimed in claim 7, wherein: the driving assembly (410) further comprises a rotating rod (413), a first bevel gear (414) and a second bevel gear (415), the rotating rod (413) is arranged on the side wall of the workbench (100) in a penetrating mode, the rotating rod (413) is connected with the workbench (100) in a rotating mode, the rotating axis of the rotating rod (413) is perpendicular to the rotating axis of the screw (411), the first bevel gear (414) is fixedly connected with the rotating rod (413) in a coaxial mode, the second bevel gear (415) is fixedly connected with the screw (411) in a coaxial mode, and the first bevel gear (414) is connected with the second bevel gear (415) in a meshing mode.

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