CN210154939U

CN210154939U - Inspection shaft lid bearing capacity test equipment

Info

Publication number: CN210154939U
Application number: CN201920765822.7U
Authority: CN
Inventors: 李畅; 徐荣; 王亚芬
Original assignee: Jiaxing Zhongxin Engineering Testing Co Ltd
Current assignee: Jiaxing Zhongxin Engineering Testing Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-17
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to an inspection shaft lid bearing capacity test equipment belongs to inspection shaft lid check out test set field, and it includes test well lid and the testing machine that is used for the test, the base and the roof that set up about the testing machine is including being, and the technical essential is: a position correcting device is arranged on one side of the testing machine, the position correcting device comprises a position correcting slide rail for placing the test well lid and a pushing cylinder for pushing the test well lid to slide, and position correcting baffles are fixedly arranged on two sides of the position correcting slide rail in the length direction; the position correcting baffle comprises a guide plate and a limiting baffle, the guide plate is arranged in a splayed manner, and the distance between the limiting baffle and the diameter of the test well cover is equal. The utility model provides a pair of inspection shaft lid bearing capacity test equipment carries out the school position through setting up the school position device and aims at testing well lid, makes things convenient for testing well lid to aim at and the removal of in the alignment process.

Description

Inspection shaft lid bearing capacity test equipment

Technical Field

The utility model belongs to the technical field of inspection shaft lid check out test set and specifically relates to an inspection shaft lid bearing capacity test equipment is related to.

Background

Urban construction has many underground pipes, such as sewer pipes, underground gas pipes, water supply pipes, power pipes, communication pipes, defense pipes, etc., which have outlets at intervals from the pipe to the ground, the section from the pipe to the ground being called a manhole, which is usually flush with the ground, and therefore a cover is required to cover the manhole.

The well lid is as urban road's important facility, and the security of guide traffic has been decided to a great extent to the good or bad of its quality, if well lid bearing capacity is not enough, and the well lid suffers when rolling of car in the use, then takes place sunken damage easily and is crushed phenomenons such as even, not only influences normal traffic, still causes road traffic incident easily. Therefore, in order to ensure the product quality, the well lid needs to be subjected to a bearing capacity test before leaving a factory, and only the warning of the composite performance index can be put into the market for use. At present, many manhole cover detection devices on the market need the manual work to carry the manhole cover to the detection platform, and because the weight of manhole cover is great, remove inconvenient and can not be with the central fine and clamp plate center alignment of manhole cover in handling.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inspection shaft lid bearing capacity test equipment carries out the school position through setting up the school position device to test well lid and aims at, makes things convenient for test well lid to aim at and the removal of in the alignment process.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a test device for the bearing capacity of an inspection well cover comprises a test well cover and a test machine for testing, wherein the test machine comprises a base and a top plate which are arranged up and down, one side of the test machine is provided with a position correcting device, the position correcting device comprises a position correcting slide rail for placing the test well cover and a pushing cylinder for pushing the test well cover to slide, and position correcting baffles are fixedly arranged on two sides of the position correcting slide rail in the length direction; the position correcting baffle comprises a guide plate and a limiting baffle, the guide plate is arranged in a splayed manner, and the distance between the limiting baffle and the diameter of the test well cover is equal.

By adopting the technical scheme, the testing well lid is subjected to bearing capacity detection by using the testing machine, and the position of the testing well lid is calibrated by arranging the position calibrating device at one side of the testing machine, so that the testing well lid is convenient to detect the position alignment in the detection process; the test well cover can slide along the position correcting slide rail under the pushing of the pushing cylinder by arranging the position correcting slide rail, and the test well cover is limited by arranging the position correcting baffle on the position correcting slide rail, so that the position correcting alignment is carried out in the process that the test well cover moves on the position correcting slide rail, and the rapid alignment of the test well cover is facilitated; the test well lid is pushed to slide by the pushing cylinder, so that the test well lid is prevented from being moved in the alignment process; it is the splayed setting through setting up the deflector and conveniently places the test well lid on the slide rail of school position for the test well lid moves between the limit baffle fast under the restriction of deflector and the promotion of propelling movement cylinder.

The utility model discloses further set up to: the testing machine is connected with handling device, handling device includes the guide rail and slides and set up the propelling movement dolly that is used for on the guide rail, the one end and the base up end fixed connection of guide rail, the other end is located the school position slide rail both sides.

Through adopting above-mentioned technical scheme, conveniently carry test well lid through setting up the propelling movement dolly, inject the moving direction of propelling movement dolly through setting up the guide rail, set up the guide rail simultaneously and be connected base and school position slide rail to be connected school position device and testing machine, the test position on the testing machine to test well lid is conveniently calibrated.

The utility model discloses further set up to: the propelling movement dolly includes the frame and is used for placing the frame of test well lid, frame bottom four corners is equipped with the pulley with guide rail sliding fit, the cross-section of guide rail is triangle-shaped, the spout that is used for inlaying the guide rail is seted up along its circumference to the pulley.

By adopting the technical scheme, the pushing trolley is used for placing and driving the test well lid to move, the trolley frame is arranged, the pulley is arranged at the bottom of the trolley frame, the trolley frame is convenient to move, and the frame is used for placing the test well lid; the guide rail is set up with the angle steel to set up the spout with the guide rail joint on the pulley, make the propelling movement dolly keep linear motion when sliding on the guide rail, can not influence the removal of propelling movement dolly, thereby avoid the propelling movement dolly to take place the skew.

The utility model discloses further set up to: the testing machine is characterized by further comprising a jacking hydraulic cylinder arranged on the base, a rigid cushion block is arranged at the end part of a piston rod of the jacking hydraulic cylinder, a rubber pad is arranged at one end, deviating from the jacking hydraulic cylinder, of the rigid cushion block, and the rubber pad can be abutted to the testing well lid.

Through adopting above-mentioned technical scheme, exert pressure to the test well lid through setting up the jacking pneumatic cylinder to test, through setting up the rigidity cushion at jacking pneumatic cylinder piston rod terminal surface, through the lifting surface area of rigidity cushion control test well lid, increase and test well lid's area of contact, thereby guarantee that the test well lid is in the in-process remain stable that rises, through set up rubber pad simulation tire on the rigidity cushion, reduce the rigidity destruction that the jacking pneumatic cylinder led to the fact the test well lid.

The utility model discloses further set up to: and a lifting device is arranged between the frame and the frame, the lifting device comprises a screw rod in threaded connection with the frame and a motor coaxially and fixedly arranged at one end of the screw rod, and the screw rod is rotationally connected with the frame.

Through adopting above-mentioned technical scheme, through setting up hoisting device for the frame reciprocates under hoisting device's drive, conveniently promotes the testing well lid steadily to the testing machine.

The utility model discloses further set up to: the number of the screw rods is two, and the two screw rods are arranged at two ends of the frame along the length direction of the frame.

Through adopting above-mentioned technical scheme, the lead screw drives the frame and rises or descends under the effect of motor, because the weight of test well lid is great, sets up two lead screws and sets up the lead screw at the both ends of frame to guarantee that the frame drives the ascending in-process of test well lid and can keep steady, set up two lead screws simultaneously and make the frame only can follow the axis direction removal of lead screw.

The utility model discloses further set up to: the deflector sets up towards deviating from testing machine one end, the school position slide rail is equipped with the draw-in groove that can contradict with the frame towards testing machine one end, the up end of frame can be as high as the up end of school position slide rail.

By adopting the technical scheme, the guide plate is arranged at one end departing from the testing machine, so that the well lid moves towards the testing machine when moving on the position correcting device; through seting up the draw-in groove on the slide rail of school position for the frame is contradicted with the draw-in groove joint, thereby makes the slip of propelling movement dolly on the guide rail limited, and the up end through setting up the frame is equal height with the up end of school position slide rail, thereby makes the frame and the back of school position slide rail supporting, on the removal that the test well lid can be steady under the promotion of propelling movement cylinder to the frame.

The utility model discloses further set up to: the position correcting slide rail is provided with a plurality of grooves at intervals along the width direction.

Through adopting above-mentioned technical scheme, reduce the area of test well lid and the area of positioning slide rail contact through seting up the recess on the positioning slide rail to reduce the frictional force between test well lid and the positioning slide rail, make things convenient for the propelling movement of propelling movement well lid on the positioning slide rail.

To sum up, the utility model discloses a beneficial technological effect does: the test well cover can quickly move and align under the action of the position correction slide rail and the pushing cylinder by arranging the position correction device; the testing machine is connected with the position correcting device through the conveying device, the testing well lid after position calibration on the position correcting device is conveyed to the testing machine from the position correcting device through the pushing trolley, and the moving track of the pushing trolley is limited through the guide rail, so that the testing well lid can be aligned with the detection center of the testing machine when moving to the testing machine; through set up hoisting device on the propelling movement dolly for the frame reciprocates under hoisting device's effect, thereby makes the height of school position slide rail reduce, conveniently places test well lid on the school position slide rail.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention, mainly showing the connection relationship between the position correcting device and the carrying device;

fig. 3 is a schematic view of a part of the structure of the present invention, which mainly shows the position relationship between the jacking cylinder and the bearing ring.

In the figure, 1, testing a well cover; 2. a testing machine; 21. a base; 22. a top plate; 221. a pressure-bearing ring; 23. a support pillar; 231. a front support column; 232. a rear support column; 24. a jacking hydraulic cylinder; 241. a rigid cushion block; 242. a rubber pad; 25. a hydraulic device; 3. a position correcting device; 31. aligning the slide rail; 311. a groove; 312. a card slot; 313. a magnetic sheet; 32. a push cylinder; 321. pushing the plate; 33. a connecting plate; 34. a position correcting baffle plate; 341. a guide plate; 342. a limit baffle; 4. a carrying device; 41. pushing the trolley; 411. a frame; 4111. a pulley; 412. a frame; 4121. positioning blocks; 42. a guide rail; 43. a lifting device; 431. a screw rod; 432. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an inspection shaft lid bearing capacity test equipment, including test well lid 1 and the testing machine 2 that is used for the test, testing machine 2 is fixed between roof 22 and the base 21 and is equipped with support column 23 including being base 21 and roof 22 that set up from top to bottom, and support column 23 sets up in base 21 four corners department. The testing machine 2 further comprises a jacking hydraulic cylinder 24 fixedly arranged at the center of the base 21, the jacking hydraulic cylinder 24 is connected with a hydraulic device 25, and the lifting of a piston rod of the jacking hydraulic cylinder 24 is controlled by controlling the hydraulic device 25, so that the testing well cover 1 is tested.

Referring to fig. 1 and 2, for making things convenient for the center of test cover test well lid 1 in the testing process to aim at with jacking pneumatic cylinder 24 center, testing machine 2 one side is equipped with positioning device 3, positioning device 3 is including being used for placing test well lid 1's positioning slide rail 31 and promoting test well lid 1 gliding propelling movement cylinder 32, positioning slide rail 31 sets up towards the experiment machine, positioning slide rail 31 deviates from 2 one end fixedly connected with connecting plates 33 of testing machine, propelling movement cylinder 32 and connecting plates 33 fixed connection. The two sides of the position correction slide rail 31 in the length direction are fixedly provided with position correction baffles 34, the test well lid 1 can slide along the position correction slide rail 31 under the pushing of the pushing cylinder 32, and the position correction baffles 34 limit the test well lid 1, so that the test well lid 1 can be aligned in the process of moving on the position correction slide rail 31; in order to facilitate the pushing cylinder 32 to push the testing well lid 1 to slide, the end of the piston rod of the pushing cylinder 32 is fixedly provided with a push plate 321.

Referring to fig. 1 and fig. 2, for the convenience place test well lid 1 on the school position slide rail 31, school position baffle 34 sets up deflector 341 and limit baffle 342 that deviates from 2 one end of testing machine including fixed in the school position slide rail 31, deflector 341 is the splayed setting, deflector 341 deviates from its opening one end and limit baffle 342 fixed connection, limit baffle 342's interval equals with test well lid 1's diameter, thereby make test well lid 1 under limit baffle 342's effect, the central line of school position slide rail 31 and certain diameter collineation of test well lid 1. For making things convenient for propelling movement cylinder 32 to drive test well lid 1 and remove, the spacing a plurality of recesses 311 (show in the figure as 3) that are equipped with of positioning slide rail 31 along its width direction interval reduces the area of contact of test well lid 1 and positioning slide rail 31 through setting up recess 311 to reduce the frictional force between test well lid 1 and the positioning slide rail 31.

Referring to fig. 1 and 2, in order to conveniently move the testing well lid 1 on the position correcting device 3 to the position above the lifting hydraulic cylinder 24, the testing machine 2 is connected with the carrying device 4, the carrying device 4 comprises a guide rail 42 and a pushing trolley 41 which is arranged on the guide rail 42 in a sliding manner, wherein one end of the guide rail 42 is fixedly connected with the upper end face of the base 21, and the other end of the guide rail 42 is positioned on two sides of the position correcting slide rail 31, so that the position correcting device 3 is connected with the testing machine 2. In order to facilitate the pushing trolley 41 to drive the test well lid 1 to move, the pushing trolley 41 comprises a frame 411 and a frame 412 for placing the test well lid 1, and pulleys 4111 in sliding fit with the guide rails 42 are arranged at four corners of the bottom of the frame 411; in order to ensure that the pushing trolley 41 keeps moving linearly when sliding on the guide rail 42, the section of the guide rail 42 is triangular, and the pulley 4111 is provided with a sliding groove along the circumferential direction thereof for embedding the guide rail 42.

Referring to fig. 1 and 2, in order to conveniently place the test well lid 1 on the position correcting slide rail 31 and avoid potential safety hazards caused by the overhigh manpower to lift the test well lid 1, a lifting device 43 is arranged between the frame 411 and the frame 412. The lifting device 43 comprises a screw rod 431 in threaded connection with the frame 412 and a motor 432 coaxially and fixedly arranged at one end of the screw rod 431, and the screw rod 431 is rotatably connected with the frame 411, so that the frame 412 can move up and down under the driving of the screw rod 431. Because the weight of test well lid 1 is great, can stably go up and down at hoisting device 43's effect for guaranteeing frame 412, lead screw 431 is two and two lead screws 431 set up in frame 412 both ends along the length direction of frame 412 for frame 412 drives the ascending in-process of test well lid 1 and can remain stationary, sets up two lead screws 431 simultaneously and makes frame 412 only can follow the axis direction removal of lead screw 431.

Referring to fig. 1 and 2, in order to ensure that the manhole cover 1 can be smoothly moved on the frame 412, the upper end surfaces of the positioning slide rails 31 can be as high as the upper end surface of the frame 412, and when the frame 412 is driven by the screw rod 431 to rotate to the bottom of the screw rod 431, the upper end surfaces of the positioning slide rails 31 are flush with the upper end surface of the frame 412. One end of the position-correcting slide rail 31 facing the testing machine 2 is provided with a clamping groove 312 which can be abutted against the frame 412, and when the frame 412 moves to the bottom of the screw rod 431, the pushing trolley 41 can be pushed to enable one side of the frame 412 to be clamped with the clamping groove 312. In order to prevent the push trolley 41 from sliding when the test well lid 1 moves onto the frame 412, the magnetic sheet 313 is arranged in the clamping groove 312, and the frame 412 is made of an iron material, so that the magnetic sheet 313 can be attracted with the frame 412; in order to facilitate the positioning of the well lid 1 on the frame 412, a positioning block 4121 is arranged on one side of the frame 412 departing from the position-correcting slide rail 31.

Referring to fig. 1 and 3, for making things convenient for the location of propelling movement dolly 41 on testing machine 2 to guarantee that test well lid 1 can aim at with jacking pneumatic cylinder 24, support column 23 includes the preceding support column 231 that sets up towards positioning device 3 and the back support column 232 that deviates from positioning device 3, and the length of preceding support column 231 is less than the length of back support column 232, makes frame 411 can contradict with back support column 232, thereby the stop motion. In order to ensure that the jacking hydraulic cylinder 24 can keep stable when pushing the test well lid 1 to ascend, the end part of a piston rod of the jacking hydraulic cylinder 24 is provided with a rigid cushion block 241, and the diameter of the rigid cushion block 241 is larger than that of the piston rod, so that the stress area of the test well lid 1 is increased. The one end that rigidity cushion 241 deviates from jacking pneumatic cylinder 24 is equipped with rubber pad 242, and rubber pad 242 can contradict with test well lid 1 to the simulation tire reduces the rigidity destruction that jacking pneumatic cylinder 24 caused to test well lid 1.

Referring to fig. 1 and 3, test well lid 1 is the rebound under the promotion of jacking pneumatic cylinder 24 piston rod and makes test well lid 1 contradict with roof 22, because the well lid is in the in-service use process, its lower terminal surface contradicts with the up end of inspection shaft, for better assurance detection accuracy, the lower terminal surface of roof 22 is equipped with bearing ring 221, bearing ring 221 can contradict with test well lid 1 to provide the holding power to test well lid 1.

The implementation process of the embodiment is as follows: move towards school position device 3 one side through promoting propelling movement dolly 41 for propelling movement dolly 41 keeps away from jacking pneumatic cylinder 24, then control motor 432 rotates, makes frame 412 move down to the bottom at the drive of lead screw 431, then promotes propelling movement dolly 41 and makes one side of frame 412 and draw-in groove 312 joint. Then place test well lid 1 and deviate from testing machine 2 one side at the school position slide rail 31, then control propelling movement cylinder 32 makes push pedal 321 contradict with test well lid 1 and promote test well lid 1 and slide along the length direction of school position slide rail 31 under propelling movement cylinder 32's drive, contradicts with locating piece 4121 until test well lid 1 deviates from one side of push pedal 321, stops promoting. Then, the pushing trolley 41 is pushed to move towards one side of the testing machine 2, and the motor 432 is controlled to rotate, so that the frame 412 drives the testing well lid 1 to ascend to the top under the action of the screw rod 431, and the pushing trolley 41 is pushed to move until the frame 411 is abutted to the rear supporting column 232. Then, by controlling the hydraulic device 25, the control switch is turned on to enable the jacking hydraulic cylinder 24 to feed oil and pressurize, the piston rod of the jacking hydraulic cylinder 24 drives the rigid cushion block 241 to ascend and enable the rubber pad 242 to abut against the test well lid 1, and the rigid cushion block 241 pushes the test well lid 1 to ascend under the action of the jacking hydraulic cylinder 24 and enables the test well lid 1 to abut against the bearing ring 221 of the top plate 22. After the pressure of the jacking hydraulic cylinder 24 reaches the test requirement, the pressure is maintained for a period of time by controlling the hydraulic device 25, and the deformation of the test well lid 1 is inspected and tested after a period of time, so that whether the pressure resistance is met or not is judged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an inspection shaft lid bearing capacity test equipment, includes test well lid (1) and testing machine (2) that are used for the test, base (21) and roof (22) that testing machine (2) set up including being from top to bottom, its characterized in that: a position correcting device (3) is arranged on one side of the testing machine (2), the position correcting device (3) comprises a position correcting slide rail (31) for placing the testing well cover (1) and a pushing cylinder (32) for pushing the testing well cover (1) to slide, and position correcting baffles (34) are fixedly arranged on two sides of the position correcting slide rail (31) in the length direction; the position correcting baffle (34) comprises a guide plate (341) and a limiting baffle (342), the guide plate (341) is arranged in a splayed manner, and the distance between the limiting baffle (342) is equal to the diameter of the test well lid (1).

2. The inspection well cover bearing capacity testing device as claimed in claim 1, wherein: testing machine (2) are connected with handling device (4), handling device (4) include guide rail (42) and slide to set up propelling movement dolly (41) that is used for on guide rail (42), the one end and base (21) up end fixed connection of guide rail (42), the other end is located positioning slide rail (31) both sides.

3. The inspection well cover bearing capacity testing device as claimed in claim 2, wherein: propelling movement dolly (41) include frame (411) and frame (412) that are used for placing test well lid (1), frame (411) bottom four corners is equipped with pulley (4111) with guide rail (42) sliding fit, the cross-section of guide rail (42) is triangle-shaped, pulley (4111) is offered along its circumference and is used for inlaying the spout of establishing guide rail (42).

4. The inspection well cover bearing capacity testing device as claimed in claim 3, wherein: testing machine (2) are still including setting up jacking pneumatic cylinder (24) on base (21), jacking pneumatic cylinder (24) piston rod tip is equipped with rigidity cushion (241), the one end that rigidity cushion (241) deviate from jacking pneumatic cylinder (24) is equipped with rubber pad (242), rubber pad (242) can contradict with test well lid (1).

5. The inspection well cover bearing capacity testing device as claimed in claim 3, wherein: a lifting device (43) is arranged between the frame (411) and the frame (412), the lifting device (43) comprises a screw rod (431) in threaded connection with the frame (412) and a motor (432) coaxially and fixedly arranged at one end of the screw rod (431), and the screw rod (431) is rotatably connected with the frame (411).

6. The inspection well cover bearing capacity testing device as claimed in claim 5, wherein: the number of the screw rods (431) is two, and the two screw rods (431) are arranged at two ends of the frame (412) along the length direction of the frame (412).

7. The inspection well cover bearing capacity testing device as claimed in claim 5, wherein: the guide plate (341) is arranged towards one end departing from the testing machine (2), the aligning slide rail (31) is provided with a clamping groove (312) capable of abutting against the frame (412) towards one end of the testing machine (2), and the upper end face of the frame (412) can be as high as the upper end face of the aligning slide rail (31).

8. The inspection well cover bearing capacity testing device as claimed in claim 1, wherein: the position correction slide rail (31) is provided with a plurality of grooves (311) at intervals along the width direction.