CN215464558U

CN215464558U - A test platform for hydraulic engineering is experimental

Info

Publication number: CN215464558U
Application number: CN202121486985.5U
Authority: CN
Inventors: 贾生军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-11
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a test platform for a hydraulic engineering test, and relates to the technical field of hydraulic engineering tests. The technical key points are as follows: the base is included, a pair of opposite sides all is equipped with adjustment mechanism in the base, adjustment mechanism includes elevating system and slewing mechanism, slewing mechanism includes head rod and second connecting rod, head rod and the articulated connecting piece of second connecting rod, head rod one side is equipped with the third connecting rod, second connecting rod one side is equipped with the fourth connecting rod, be equipped with the dwang in addition, the dwang both ends are connected with head rod and second connecting rod respectively, be equipped with first supporting seat and second supporting seat in addition, head rod and third connecting rod articulate in first supporting seat one side, the second connecting rod articulates in second supporting seat one side with the fourth connecting rod, first supporting seat is connected with first table, first table articulates there is the second table, second supporting seat one side is equipped with latch mechanism. The utility model can increase the area of the test bed and is convenient to use.

Description

A test platform for hydraulic engineering is experimental

Technical Field

The utility model relates to the technical field of hydraulic engineering tests, in particular to a test platform for a hydraulic engineering test.

Background

In present hydraulic engineering scientific research work, need carry out multiple different experiment, just can also need different test equipment to test, and test platform's size is certain, and large-scale test equipment can make the test bench seem crowded when using, and it is inconvenient again to change bigger test bench, therefore needs a test platform that can change the size urgently.

The above prior art solution has the following drawbacks: the existing hydraulic engineering test platform has a certain area, and when some large-scale test equipment is needed, the test platform is crowded, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a test platform for hydraulic engineering tests, wherein force is applied to a first table plate and a second table plate, so that the first table plate drives a first connecting rod and a third connecting rod which are hinged on a first supporting seat to rotate, a rotating rod hinged on the first connecting rod drives a second connecting rod to rotate, the second connecting rod and a fourth connecting rod drive a second supporting seat to rotate, then the second table plate is rotated to one side of the second supporting seat by rotating the second table plate, so that the area of the test platform is increased, the second table plate can be clamped on the second supporting seat by arranging a clamping mechanism on the second supporting seat, the stability of the test platform is increased, the connecting piece can be lifted by arranging a lifting mechanism on one side of the connecting piece, and the positions of the first table plate and the second table plate are further adjusted.

The above object of the present invention is achieved by the following technical solutions:

a test platform for hydraulic engineering tests comprises a base, wherein the base is arranged in a hollow mode, an opening is formed in one side, away from the ground, of the base, adjusting mechanisms are arranged on a pair of opposite sides of the inner wall of the base in the vertical direction, each adjusting mechanism comprises a lifting mechanism and a rotating mechanism, each rotating mechanism comprises a first connecting rod and a second connecting rod, the first connecting rods and the second connecting rods are symmetrically arranged on one side of the base, the first connecting rods and the second connecting rods are connected to one side of the base through hinged connecting pieces respectively, the connecting pieces are connected with the base in a sliding mode and slide in the vertical direction, third connecting rods are arranged on one sides, away from the second connecting rods, of the first connecting rods at intervals and are parallel to the first connecting rods, and the third connecting rods are hinged to the connecting pieces, the second connecting rod is provided with fourth connecting rods at intervals on one side far away from the first connecting rod, the fourth connecting rods are parallel to the second connecting rods, the fourth connecting rods are hinged to the connecting pieces, rotating rods are additionally arranged, one ends of the rotating rods are hinged to the first connecting rods, the other ends of the rotating rods are hinged to the second connecting rods, the height of the hinged joint of the rotating rods and the first connecting rods in the vertical direction is higher than that of the hinged joint of the first connecting rods and the connecting pieces in the vertical direction, the height of the hinged joint of the rotating rods and the second connecting rods in the vertical direction is lower than that of the hinged joint of the second connecting rods and the connecting pieces in the vertical direction, a first supporting seat and a second supporting seat are additionally arranged, and the first connecting rods and the third connecting rods are hinged to one side of the first supporting seat, the second connecting rod with the fourth connecting rod articulate in second supporting seat one side, first supporting seat is kept away from the first table of base one side fixedly connected with, first table is close to second supporting seat one side articulates there is the second table, the second supporting seat is kept away from ground one side and is equipped with latch mechanism.

Through adopting above-mentioned technical scheme, exert force through giving first table and second table, make first table drive and articulate head rod and the third connecting rod on first supporting seat and rotate, and drive the second connecting rod through articulated dwang on the head rod and rotate, make second connecting rod and fourth connecting rod drive the second supporting seat and rotate, then through rotating the second table, make the second table rotate second supporting seat one side, thereby increase the area of test bench, through set up latch mechanism on the second supporting seat, can be the second table joint on the second supporting seat, increase its stability, through set up elevating system on one side of the connecting piece, can go up and down to the connecting piece, and then adjust the position of first table and second table.

The present invention in a preferred example may be further configured to: elevating system includes the pivot, is located two of same base side the connecting piece is close to one side fixedly connected with rack each other, the rack with base sliding connection, the rack slides along vertical direction, the pivot is inserted and is located on the base, the pivot with the base rotates to be connected, the equal fixedly connected with gear in pivot both ends, one of them the gear with the rack toothing of base one side, another the gear with the rack toothing of base opposite side, pivot one side fixedly connected with handle, be equipped with arrestment mechanism on hand.

Through adopting above-mentioned technical scheme, drive the pivot through setting up the handle and rotate, make two gears at pivot both ends drive the rack of both sides respectively and slide on the base lateral wall to drive the slip of connecting piece, thereby adjust first table and second table, through set up the braking piece on hand, can fix the handle after finishing rotating, make its go up and down can remain stable after finishing.

The present invention in a preferred example may be further configured to: the brake mechanism comprises a ratchet wheel, the ratchet wheel is sleeved on the handle and fixedly connected with the handle, a pawl is meshed on one side of the ratchet wheel and hinged to the base, a spring is fixedly connected to one side of the pawl, the other end of the spring is fixedly connected with the base, and when the pawl is not subjected to external force, the spring is in a non-stretching state.

Through adopting above-mentioned technical scheme, fix on the handle through setting up the ratchet, the pawl of ratchet one side meshing makes the ratchet can only rotate towards one side, and the spring can make the pawl mesh with the ratchet always, and the handle can only drive the pivot and rotate towards one side promptly, makes the rack can only rise, when needs descend, through stirring the pawl, makes pawl and ratchet separation, rotates the handle again and makes the pivot drive rack descend, facilitates the use.

The present invention in a preferred example may be further configured to: the clamping mechanism comprises two sliding rods, the sliding rods are connected to a pair of opposite sides of the second supporting seat in a sliding mode, the sliding rods slide along the horizontal direction, and the clamping piece is hinged to one side, away from each other, of each sliding rod.

Through adopting above-mentioned technical scheme, slide through setting up the slide bar slip on the supporting seat, it removes to drive articulated joint spare on the slide bar, when the second supporting seat is rotated to the second table, the slide bar drives joint spare and removes second table one side, it makes joint spare and second table align to rotate joint spare, slide the slide bar back to the second supporting seat again, make joint spare joint on the second table, come to fix it, can keep the stability of second table.

The present invention in a preferred example may be further configured to: the handle is sleeved with an anti-slip pad.

Through adopting above-mentioned technical scheme, through setting up at the slipmat on hand, can increase the frictional force between palm and the handle when going up and down to adjustment mechanism, prevent to skid, facilitate the use.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the first table plate drives the first connecting rod and the third connecting rod which are hinged on the first supporting seat to rotate by applying force to the first table plate and the second table plate, the second connecting rod is driven to rotate by the rotating rod which is hinged on the first connecting rod, the second supporting seat is driven to rotate by the second connecting rod and the fourth connecting rod, then the second table plate is rotated to one side of the second supporting seat by rotating the second table plate, so that the area of the test bed is increased, the second table plate can be clamped on the second supporting seat by arranging the clamping mechanism on the second supporting seat, the stability of the test bed is increased, the connecting piece can be lifted by arranging the lifting mechanism on one side of the connecting piece, and the positions of the first table plate and the second table plate are further adjusted;

2. the handle is arranged to drive the rotating shaft to rotate, so that the two gears at the two ends of the rotating shaft respectively drive the racks at the two sides to slide on the side wall of the base and drive the connecting piece to slide, the first table plate and the second table plate are adjusted, and the handle can be fixed after the rotation is finished and can be kept stable after the lifting is finished by arranging the braking piece on the handle;

3. the ratchet wheel is fixed on the handle, the ratchet wheel can only rotate towards one side by the pawl meshed with one side of the ratchet wheel, the pawl can be always meshed with the ratchet wheel by the spring, namely the handle can only drive the rotating shaft to rotate towards one side, so that the rack can only ascend, when the rack needs to descend, the pawl is separated from the ratchet wheel by stirring the pawl, and then the rotating shaft is driven by rotating the handle to descend, so that the use is convenient.

Drawings

FIG. 1 is a schematic view of a first perspective structure of the present invention;

FIG. 2 is a schematic view of a-A of FIG. 1, partially in section;

fig. 3 is a schematic view of a second viewing angle structure according to the present invention.

Reference numerals: 1. a base; 2. an adjustment mechanism; 21. a lifting mechanism; 211. a rotating shaft; 212. a rack; 213. a gear; 214. a handle; 215. a brake mechanism; 2151. a ratchet wheel; 2152. a pawl; 2153. a spring; 22. a rotating mechanism; 221. a first connecting rod; 222. a second connecting rod; 223. a third connecting rod; 224. a fourth connecting rod; 225. rotating the rod; 226. a first support base; 227. a second support seat; 3. a connecting member; 4. a first table; 5. a second table; 6. a clamping mechanism; 61. a slide bar; 62. a clamping piece.

Detailed Description

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

As shown in fig. 1 and fig. 2, the testing apparatus comprises a base 1, the base 1 is hollow, the side of the base 1 away from the ground is open, the inner wall of the base 1 is provided with an adjusting mechanism 2 along a pair of opposite sides in the vertical direction, in order to increase the area of the testing table, the adjusting mechanism 2 comprises a lifting mechanism 21 and a rotating mechanism 22, the rotating mechanism 22 comprises a first connecting rod 221 and a second connecting rod 222, the first connecting rod 221 and the second connecting rod 222 are symmetrically arranged on one side of the base 1, the first connecting rod 221 and the second connecting rod 222 are respectively connected to one side of the base 1 through a hinged connecting piece 3, the connecting piece 3 is connected with the base 1 in a sliding manner, the connecting piece 3 slides along the vertical direction, the side of the first connecting rod 221 away from the second connecting rod 222 is spaced and provided with a third connecting rod 223, the third connecting rod 223 is parallel to the first connecting rod 221, the third connecting rod 223 is hinged to the connecting piece 3, the side of the second connecting rod 222 away from the first connecting rod 221 is spaced with a fourth connecting rod 224, the fourth connecting rod 224 is parallel to the second connecting rod 222, the fourth connecting rod 224 is hinged to the connecting part 3, a rotating rod 225 is further provided, one end of the rotating rod 225 is hinged to the first connecting rod 221, the other end of the rotating rod 225 is hinged to the second connecting rod 222, the height of the hinge point of the rotating rod 225 and the first connecting rod 221 in the vertical direction is higher than the height of the hinge point of the first connecting rod 221 and the connecting part 3 in the vertical direction, the height of the hinge point of the rotating rod 225 and the second connecting rod 222 in the vertical direction is lower than the height of the hinge point of the second connecting rod 222 and the connecting part 3 in the vertical direction, when the first connecting rod 221 rotates towards one side, the second connecting rod 222 rotates towards the opposite direction, and the first connecting rod 221 and the third connecting rod 223 do not interfere with the second connecting rod 222 and the fourth connecting rod 224 when rotating, that is, the first connecting rod 221 and the third connecting rod 223 are respectively located on two different planes with the second connecting rod 222 and the fourth connecting rod 224, a first support seat 226 and a second support seat 227 are further provided, a first connecting rod 221 and a third connecting rod 223 are hinged on one side of the first support seat 226, a second connecting rod 222 and a fourth connecting rod 224 are hinged on one side of the second support seat 227, one side of the first support seat 226 far away from the base 1 is fixedly connected with a first table plate 4, one side of the first table plate 4 close to the second support seat 227 is hinged with a second table plate 5, one side of the second support seat 227 far away from the ground is provided with a clamping mechanism 6, the first table plate 4 drives the first connecting rod 221 and the third connecting rod 223 hinged on the first support seat 226 to rotate by applying force to the first table plate 4 and the second table plate 5, the second connecting rod 222 and the fourth connecting rod 224 drive the second support seat 227 to rotate by driving the second table plate 5, the second table plate 5 rotates to one side of the second support seat 227, thereby the area of increase test bench through set up latch mechanism 6 on second supporting seat 227, can increase its stability to second table 5 joint on second supporting seat 227, through set up elevating system 21 in connecting piece 3 one side, can go up and down connecting piece 3, and then adjust the position of first table 4 and second table 5.

As shown in fig. 1 and 2, the lifting mechanism 21 includes a rotating shaft 211, a rack 212 is fixedly connected between the two connecting members 3, the rack 212 is slidably connected to the base 1, the rack 212 slides along the vertical direction, the rack 212 is a U-shaped block, and only one surface of the inner side wall of the U-shaped block is provided with teeth, the rotating shaft 211 is inserted into the base 1, the rotating shaft 211 is rotatably connected to the base 1, two ends of the rotating shaft 211 are both fixedly connected with gears 213, one of the gears 213 is engaged with the two racks 212 on one side of the base 1, the other gear 213 is engaged with the rack 212 on the other side of the base 1, one side of the rotating shaft 211 is fixedly connected with a handle 214, and a brake mechanism 215 is disposed on the handle 214.

As shown in fig. 1 and 3, the braking mechanism 215 includes a ratchet 2151, the ratchet 2151 is sleeved on the handle 214, the ratchet 2151 is fixedly connected with the handle 214, one side of the ratchet 2151 is engaged with a pawl 2152, the pawl 2152 is hinged to the base 1, one side of the pawl 2152 is fixedly connected with a spring 2153, the other end of the spring 2153 is fixedly connected with the base 1, when the pawl 2152 is not subjected to an external force, the spring 2153 is in a non-telescopic state, the ratchet 2151 and the pawl 2152 enable the handle 214 to rotate only once, that is, the handle 214 can only drive the gear 213 to rotate towards the ascending side of the rack 212, and when the handle 214 needs to descend, the pawl 2152 is toggled to be separated from the ratchet 2151 and then rotates the handle 214.

As shown in fig. 1 and 2, the clamping mechanism 6 includes two sliding rods 61, the sliding rods 61 are slidably connected to a pair of opposite sides of the second supporting seat 227, the sliding rods 61 slide along the horizontal direction, the clamping members 62 are hinged to one side of the two sliding rods 61 away from each other, and the size of the notches of the clamping members 62 is the same as the thickness of the second table 5. The cover is equipped with the slipmat on the handle 214, and the slipmat is the rubber material, and the slipmat can increase the frictional force between palm and the handle 214 when using, conveniently rotates, does not roll off in the slipmat sketch map.

The implementation principle of the embodiment is as follows: before use, the device is moved to a designated position, and a test is carried out on the second table 5; when the table is used, an oblique upward force is applied to the second table board 5 and the first table board 4, so that the first table board 4 drives the first connecting rod 221 and the third connecting rod 223 to rotate through the fixed first supporting seat 226, meanwhile, the first connecting rod 221 drives the second connecting rod 222 to reversely rotate through the rotating rod 225, the second connecting rod 222 and the fourth connecting rod 224 drive the second supporting seat 227 to rotate, then, the second table board 5 is rotated, so that the second table board 5 is placed on the second supporting seat 227, then, the sliding rod 61 and the clamping piece 62 on the second supporting seat 227 are pulled out, and the clamping piece 62 is clamped on the second table board 5; when adjusting the height, when rising, rotate handle 214, make handle 214 drive pivot 211 and rotate, the rack 212 that drives both sides through the gear 213 at pivot 211 both ends rises and then drives connecting piece 3 and rises, thereby adjust the height of first table 4 and second table 5, when descending, stir pawl 2152, make pawl 2152 and ratchet 2151 separation, reverse rotation handle 214 drives first table 4 and second table 5 and descends, loosen pawl 2152 after finishing adjusting, spring 2153 restores force and drives it and ratchet 2151 meshing once more.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a test platform for hydraulic engineering is experimental, includes base (1), base (1) cavity sets up, just ground one side opening setting, its characterized in that are kept away from in base (1): the inner wall of the base (1) is provided with adjusting mechanisms (2) along a pair of opposite sides in the vertical direction, each adjusting mechanism (2) comprises a lifting mechanism (21) and a rotating mechanism (22), each rotating mechanism (22) comprises a first connecting rod (221) and a second connecting rod (222), the first connecting rods (221) and the second connecting rods (222) are symmetrically arranged on one side of the base (1), the first connecting rods (221) and the second connecting rods (222) are respectively connected to one side of the base (1) through hinged connecting pieces (3), the connecting pieces (3) are in sliding connection with the base (1), the connecting pieces (3) slide along the vertical direction, the first connecting rods (221) are far away from one side of the second connecting rods (222) at intervals and are provided with third connecting rods (223), and the third connecting rods (223) are parallel to the first connecting rods (221), the third connecting rod (223) is hinged to the connecting piece (3), a fourth connecting rod (224) is arranged on one side, away from the first connecting rod (221), of the second connecting rod (222) at intervals, the fourth connecting rod (224) is parallel to the second connecting rod (222), the fourth connecting rod (224) is hinged to the connecting piece (3), a rotating rod (225) is further arranged, one end of the rotating rod (225) is hinged to the first connecting rod (221), the other end of the rotating rod (225) is hinged to the second connecting rod (222), the height of a hinge point of the rotating rod (225) and the first connecting rod (221) in the vertical direction is higher than that of the hinge point of the first connecting rod (221) and the connecting piece (3), and the height of the hinge point of the rotating rod (225) and the second connecting rod (222) in the vertical direction is lower than that of the hinge point of the second connecting rod (222) and the connecting piece (3) The height of joint in vertical direction is equipped with first supporting seat (226) and second supporting seat (227) in addition, head rod (221) with third connecting rod (223) articulate in first supporting seat (226) one side, second connecting rod (222) with fourth connecting rod (224) articulate in second supporting seat (227) one side, keep away from first supporting seat (226) base (1) one side fixedly connected with first table (4), first table (4) are close to second supporting seat (227) one side articulates there is second table (5), second supporting seat (227) are kept away from ground one side and are equipped with latch mechanism (6).

2. The test platform for hydraulic engineering tests according to claim 1, characterized in that: elevating system (21) is located two of same base (1) side including pivot (211) connecting piece (3) are close to one side fixedly connected with rack (212) each other, rack (212) with base (1) sliding connection, rack (212) slide along vertical direction, pivot (211) are inserted and are located on base (1), pivot (211) with base (1) rotates and is connected, the equal fixedly connected with gear (213) in pivot (211) both ends, one of them gear (213) with rack (212) meshing of base (1) one side, another gear (213) with rack (212) meshing of base (1) opposite side, pivot (211) one side fixedly connected with handle (214), be equipped with arrestment mechanism (215) on handle (214).

3. The test platform for hydraulic engineering tests according to claim 2, characterized in that: the brake mechanism (215) comprises a ratchet wheel (2151), the ratchet wheel (2151) is sleeved on the handle (214), the ratchet wheel (2151) is fixedly connected with the handle (214), a pawl (2152) is meshed on one side of the ratchet wheel (2151), the pawl (2152) is hinged to the base (1), a spring (2153) is fixedly connected on one side of the pawl (2152), the other end of the spring (2153) is fixedly connected with the base (1), and when the pawl (2152) is not subjected to external force, the spring (2153) is in a non-telescopic state.

4. The test platform for hydraulic engineering tests according to claim 1, characterized in that: clamping mechanism (6) include two slide bars (61), slide bar (61) sliding connection in a pair of opposite sides of second supporting seat (227), slide bar (61) slide along the horizontal direction, two slide bar (61) keep away from each other one side all to articulate has joint spare (62).

5. A test platform for hydraulic engineering tests according to claim 3, characterized in that: the handle (214) is sleeved with a non-slip mat.