CN214006304U

CN214006304U - Hydraulic and hydroelectric engineering is with changeing ladder

Info

Publication number: CN214006304U
Application number: CN202022640044.4U
Authority: CN
Inventors: 关学伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-20
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a hydraulic and hydroelectric engineering is with changeing ladder, including stair support and fixed horizontal pole, the inside high adjusting device that is provided with of stair support, high adjusting device include pivot one, stair dead lever, mark time, pivot two, drive chain, slider one, pivot three, spout one, movable plate, spout two, hole groove one, button, connecting rod one, slider two, spout three and spring. The utility model discloses, it is rotatory for the turning point with the pivot one that the stair dead lever used the bottom to set up, slider one removes in spout one is inside, slider one inside pivot three rotatoryly, pivot three and two coaxial coupling in pivot, pivot three rotatory can make pivot two rotatory, press the button, the button atress can make the connecting rod one of bottom remove, the slider two at connecting rod both ends slides in spout three insides, further compression spring, make the high change of movable plate, thereby the regulation to stair height has been reached, the condition that originally changeed ladder use limitation has been changed, the practicality of device has been guaranteed.

Description

Hydraulic and hydroelectric engineering is with changeing ladder

Technical Field

The utility model relates to a hydraulic and hydroelectric engineering technical field especially relates to a hydraulic and hydroelectric engineering is with changeing ladder.

Background

Hydraulic and hydroelectric engineering refers to various kinds of engineering which are built for controlling, regulating and utilizing surface water and underground water in nature to achieve the purpose of removing harmful substances and benefiting.

Hydraulic and hydroelectric engineering is very huge, and when the construction, the application range on building site is great, and present hydraulic and hydroelectric engineering has the commentaries on classics ladder moreover, can only deal with simple construction operation once, and the application range is less, and the specification and size that change the ladder all is fixed, when constructing to higher place once, changes the ladder and can not reach the user demand, can increase construction period, causes the time limit for a project to delay, brings very big resource and economic loss.

And hydraulic and hydroelectric engineering changes ladder when using, and very obviously changes the use of ladder, generally is in the building site, and the different regions of building site have different constructions in different time quantums moreover, and the construction environment of building site is relatively poor, and the bottom surface is uneven, and is very unsafe when the workman stands to construct on changeing the ladder, causes the casualties easily, and danger coefficient is too high, has great potential safety hazard.

Therefore, we propose a rotary ladder for hydraulic and hydroelectric engineering to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary ladder for hydraulic and hydroelectric engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary ladder for water conservancy and hydropower engineering comprises a stair support and a fixed cross bar, wherein the fixed cross bar is fixedly connected between two sides of the bottom of the stair support, a height adjusting device is arranged in the stair support and comprises a first rotating shaft, stair fixing rods, steps, a second rotating shaft, a transmission chain, a first sliding block, a third rotating shaft, a first sliding groove, a movable plate, a second sliding groove, a first hole groove, a button, a first connecting rod, a second sliding block, a third sliding groove and a spring, the left side of the inside of the fixed cross bar is provided with the first rotating shaft, the first rotating shaft is movably connected with two groups of stair fixing rods, a plurality of groups of steps are movably connected between the two groups of stair fixing rods, the insides of the steps are all provided with the second rotating shaft, the second rotating shaft is provided with the transmission chain, the other end of the stair fixing rod is arranged in the first sliding block, the first sliding block is internally provided with the third rotating shaft, the three-shaft and two-shaft coaxial connection structure is characterized in that the first sliding block is embedded in the first sliding groove, the first sliding groove is arranged on the movable plate, two ends of the movable plate are embedded in the second sliding groove, the second sliding groove is arranged on two sides of the upper portion of the inner wall of the stair support, a plurality of groups of first hole grooves are formed in the second sliding groove, a button is embedded in the first hole grooves, a first connecting rod is fixedly connected to the bottom of the button, two sliding blocks are welded at two ends of the first connecting rod and two groups of second sliding blocks are embedded in the third sliding groove respectively, springs are arranged in the three sliding grooves, end points of the springs are fixed to the inner portion of the first connecting rod and the movable plate respectively, and the outer wall of the stair support is provided with a fixing device.

Preferably, fixing device includes fixed block, swivel, expansion joint board, fixed plate, supporting connection board, slider three, spout four and hole groove two, stair support outer wall both sides all are fixed with the fixed block, and two sets of fixed block inside all is provided with the swivel, and is two sets of swing joint has expansion joint board on the swivel, and is two sets of expansion joint board bottom all is embedded to have the fixed plate, and is two sets of expansion joint board bottom all is provided with the swivel, and is two sets of expansion joint board passes through the swivel with supporting connection board swing joint, two sets of the supporting connection board other end all is provided with the slider three, and is two sets of slider three all is embedded in spout four, and is two sets of stair support bottom outer wall both sides are located to the spout four, and is two sets of hole groove two has all been seted up at four tops of spout.

Preferably, the first sliding block is a cuboid, the first sliding groove is a cuboid, the first sliding block moves inside the first sliding groove, so that the third rotating shaft rotates to drive the second rotating shaft to rotate, and the length of the first sliding block is equal to that of the first sliding groove.

Preferably, the movable plate is a cuboid, the movable plate is embedded inside the second sliding groove, the second sliding groove is a cuboid, the movable plate moves up and down in the second sliding groove, and the moving distance of the movable plate is equal to the height of the second sliding groove.

Preferably, hole groove one is circular, the button is the cylinder, and the diameter of hole groove one equals with the diameter of button, the pivot two that the button bottom set up moves in drive chain inside, and the migration distance is the length of spout three, and is equal with the biggest flexible distance of spring.

Preferably, the telescopic connection board with the supporting connection board all is the cuboid, slider three slides in the spout four, when sliding to four bottoms of spout, the telescopic connection board with the shape that the supporting connection board formed is the triangle-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arranged height adjusting device which comprises a first rotating shaft, a stair fixing rod, a step, a second rotating shaft, a transmission chain, a first sliding block, a third rotating shaft, a first sliding groove, a moving plate, a second sliding groove, a first hole groove, a button, a first connecting rod, a second sliding block, a third sliding groove and a spring, when the height adjusting device needs to be adjusted, the stair fixing rod rotates with the first rotating shaft arranged at the bottom as a rotating point, the first sliding block at the top moves in the first sliding groove, the third rotating shaft in the first sliding block rotates, the third rotating shaft is coaxially connected with the second rotating shaft, the second rotating shaft rotates through the third rotating shaft, the angle of the step is adjusted, meanwhile, the moving plate can slide in the second sliding groove, the button is pressed, the first connecting rod at the bottom moves through the stress of the button, the second sliding blocks at two ends of the first connecting rod are driven to slide in the third sliding groove, the spring is further compressed, and the height of the spring is changed, thereby reached the regulation to the stair height, changed originally the condition that changes the ladder and use the limitation, guaranteed the practicality of device.

2. Through the arranged fixing device, the fixing device comprises a fixing block, a rotating ring, a telescopic connecting plate, a fixing plate, a supporting connecting plate, a third sliding block, a fourth sliding groove and a second hole groove, when the fixing device is required to be fixed, a telescopic component is arranged in the third sliding block, a button is pressed, so that the first connecting rod drives the second sliding blocks at two ends to slide in the third sliding groove, a spring is compressed, the third sliding block can slide downwards in the fourth sliding groove, at the moment, the supporting connecting plate can rotate by taking the rotating ring at the bottom of the telescopic connecting plate as a rotating point to adjust the angle, and the telescopic connecting plate can rotate by taking the rotating ring at the top as the rotating point, when the third sliding block slides to the fourth bottom of the sliding groove, the supporting connecting plate can be parallel and level with the ground, the triangular shape is formed by the telescopic connecting plate and a stair support, and the triangular shape has stability, thereby the stability of the rotary ladder during use can be increased, when the ladder is not used, only the third sliding block needs to slide upwards, so that the practicability of the device is guaranteed.

Drawings

Fig. 1 is a schematic front view of a rotary ladder for hydraulic and hydroelectric engineering according to the present invention;

fig. 2 is a schematic view of the front view structure state of the rotary ladder for hydraulic and hydroelectric engineering provided by the utility model;

FIG. 3 is a schematic diagram of a side view of the structure of FIG. 1;

fig. 4 is a schematic diagram of a side view structural state at B in fig. 2.

In the figure: 1. a stair bracket; 2. fixing the cross bar; 121. a first rotating shaft; 122. a stair fixing rod; 123. stepping; 124. a second rotating shaft; 125. a drive chain; 126. a first sliding block; 127. a rotating shaft III; 128. a first sliding chute; 129. moving the plate; 130. a second chute; 131. a first hole groove; 132. a button; 133. a first connecting rod; 134. a second sliding block; 135. a third chute; 136. a spring; 221. a fixed block; 222. rotating the ring; 223. a telescopic connecting plate; 224. a fixing plate; 225. supporting the connecting plate; 226. a third sliding block; 227. a fourth chute; 228. and a second hole groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a rotary ladder for water conservancy and hydropower engineering comprises a stair bracket 1 and a fixed cross bar 2, the fixed cross bar 2 is fixedly connected between two sides of the bottom of the stair bracket 1, a height adjusting device is arranged inside the stair bracket 1 and comprises a first rotating shaft 121, stair fixing rods 122, steps 123, a second rotating shaft 124, a transmission chain 125, a first sliding block 126, a third rotating shaft 127, a first sliding groove 128, a moving plate 129, a second sliding groove 130, a first hole groove 131, a button 132, a first connecting rod 133, a second sliding block 134, a third sliding groove 135 and a spring 136, the first rotating shaft 121 is arranged on the left side inside the fixed cross bar 2, two groups of stair fixing rods 122 are movably connected on the first rotating shaft 121, a plurality of steps 123 are movably connected between the two groups of stair fixing rods 122, the second rotating shaft 124 is arranged inside the plurality of steps 123, the second rotating shaft 124 is provided with the transmission chain 125, and the other end of the stair fixing rods 122 is arranged inside the first sliding block 126, the structure has the advantages that when the height of the stair is adjusted, the angle of the step 123 is changed along with the rotation of the third rotating shaft 127 in the first sliding groove 126, the third rotating shaft 127 is coaxially connected with the second rotating shaft 124, when the height of the first sliding groove 128 is changed, the angle of the step 123 is changed, the practicability of the device is ensured, the first sliding groove moving plate 128 is arranged on the moving plate 129, the two ends of the sliding groove 129 are embedded in the second sliding groove 130, the second sliding groove 130 is arranged on the two sides of the upper portion of the inner wall of the stair support 1, the first multiple groups of hole grooves 131 are formed in the second sliding groove 130, the moving plate 129 is a cuboid, the moving plate 129 is embedded into the second sliding groove 130, the second sliding groove 130 is a cuboid, the moving plate 129 moves up and down in the second sliding groove 130, the moving distance of the moving plate 129 is equal to the height of the second sliding groove 130, the structure has the beneficial effect that the first multiple groups of hole grooves 131 are formed in the second sliding groove 130, people can adjust the height of the stairs according to specific use requirements, and the use is convenient and simple. The structure is suitable for different working scenes, a button 132 is embedded in a first hole groove 131, a first connecting rod 133 is fixedly connected to the bottom of the button 132, two sliders 134 are welded at two ends of the first connecting rod 133, two sliders 134 are embedded in a third sliding groove 135 respectively, a spring 136 is arranged in the third sliding groove 135, the first hole groove 131 is circular, the button 132 is cylindrical, the diameter of the first hole groove 131 is equal to that of the button 132, a second rotating shaft 124 arranged at the bottom of the button 132 moves in a transmission chain 125, the moving distance is the length of the third sliding groove 135 and is equal to the maximum telescopic distance of the spring 136, the structure has the beneficial effects that when adjustment is needed, only the button 132 needs to be pressed, the first connecting rod 133 inside can compress the spring 136, so that the height of the movable plate 129 is adjusted, the operation is simple, the practicability of the device is ensured, end points of the spring 136 are respectively fixed inside the first connecting rod 133 and on the movable plate 129, the outer wall of the stair bracket 1 is provided with a fixing device.

The fixing device comprises fixing blocks 221, rotary rings 222, telescopic connecting plates 223, fixing plates 224, supporting connecting plates 225, sliding blocks three 226, sliding grooves four 227 and hole grooves two 228, the fixing blocks 221 are fixed on two sides of the outer wall of the stair support 1, the rotary rings 222 are arranged in two groups of fixing blocks 221, the telescopic connecting plates 223 are movably connected on the two groups of rotary rings 222, the fixing plates 224 are embedded in the bottoms of the two groups of telescopic connecting plates 223, the rotary rings 222 are arranged at the bottoms of the two groups of telescopic connecting plates 223, the two groups of telescopic connecting plates 223 are movably connected with the supporting connecting plates 225 through the rotary rings 222, the sliding blocks three 226 are arranged at the other ends of the two groups of supporting connecting plates 225, the two groups of sliding blocks three 226 are embedded in the sliding grooves four 227, the telescopic connecting plates 223 and the supporting connecting plates 225 are cuboid, the sliding blocks three 226 slide in the sliding grooves four 227, and when sliding to the bottoms of the sliding grooves four 227, the shapes formed by the telescopic connecting plates 223 and the supporting connecting plates 225 are triangular, the beneficial effect that this structure set up is because the work place is different, and original fixity is not too high, presses three 226 of slider again, slides the connecting plate 225 as for the bottom surface parallel and level, and expansion joint board 223, connecting plate 225 will be triangle-shaped with stair support 1, and triangle-shaped has stability, has guaranteed the practicality of device, and two sets of spout four 227 are seted up in stair support 1 bottom outer wall both sides, and two sets of spout four 227 tops have all been seted up hole groove two 228.

When the height of the stair needs to be adjusted, the stair fixing rod 122 is manually rotated by taking the first rotating shaft 121 arranged at the bottom as a rotating point, so that the first sliding block 126 at the top moves in the first sliding groove 128, the third rotating shaft 127 in the first sliding block 126 rotates, the third rotating shaft 127 is coaxially connected with the second rotating shaft 124, the second rotating shaft 124 rotates due to the rotation of the third rotating shaft 127, the angle of the step 123 is further adjusted, meanwhile, the moving plate 129 slides in the second sliding groove 130, the button 132 is pressed, the connecting rod 133 at the bottom is moved due to the stress of the button 132, the second sliding blocks 134 at the two ends of the connecting rod 133 are driven to slide in the third sliding grooves 135, the spring 136 is further compressed, the height of the moving plate 129 is changed, the height of the stair is adjusted, and the condition that the use of the original ladder is limited is changed.

When needing to be fixed, the inside flexible subassembly that is provided with of slider three 226, press button 132, make connecting rod one 133 drive two 134 sliders at both ends and slide in three 135 inside of spout, compression spring 136, then slider three 226 can be at the inside lapse of spout four 227, at this moment, supporting connection board 225 will use swivel 222 of telescopic connection board 223 bottom to carry out angle modulation for the swivel point rotation, the same reason, telescopic connection board 223 can use the swivel 222 at top to rotate as the swivel point, when sliding slider three 226 to spout four 227 bottoms, at this moment supporting connection board 225 can with ground parallel and level, and telescopic connection board 223, a triangle-shaped is constituteed together to stair support 1, triangle-shaped has stability, thereby can increase the stability when the commentaries on classics ladder uses, when not using, only need slide on three 226 sliders can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotary ladder for water conservancy and hydropower engineering comprises a stair support (1) and a fixed cross bar (2), and is characterized in that the fixed cross bar (2) is fixedly connected between two sides of the bottom of the stair support (1), a height adjusting device is arranged in the stair support (1), the height adjusting device comprises a first rotating shaft (121), a stair fixing bar (122), a step (123), a second rotating shaft (124), a transmission chain (125), a first sliding block (126), a third rotating shaft (127), a first sliding groove (128), a movable plate (129), a second sliding groove (130), a first hole groove (131), a button (132), a first connecting rod (133), a second sliding block (134), a third sliding groove (135) and a spring (136), the first rotating shaft (121) is arranged on the left side in the fixed cross bar (2), and the first rotating shaft (121) is movably connected with two groups of stair fixing bars (122), a plurality of steps (123) are movably connected between the two groups of stair fixing rods (122), a second rotating shaft (124) is arranged inside each group of steps (123), a transmission chain (125) is arranged on the second rotating shaft (124), the other end of each stair fixing rod (122) is arranged inside a first sliding block (126), a third rotating shaft (127) is arranged inside the first sliding block (126), the third rotating shaft (127) is coaxially connected with the second rotating shaft (124), the first sliding block (126) is embedded inside a first sliding groove (128), the first sliding groove (128) is arranged on a movable plate (129), two ends of the movable plate (129) are embedded inside a second sliding groove (130), the second sliding groove (130) is arranged on two sides of the upper portion of the inner wall of the stair bracket (1), a plurality of groups of first hole grooves (131) are arranged on the second sliding groove (130), and a button (132) is embedded inside the first hole grooves (131), the improved stair-climbing device is characterized in that a first connecting rod (133) is fixedly connected to the bottom of the button (132), two sliders (134) are welded at two ends of the first connecting rod (133), the two sliders (134) are embedded into a third sliding groove (135) respectively, a spring (136) is arranged inside the third sliding groove (135), end points of the spring (136) are fixed to the inside of the first connecting rod (133) and the movable plate (129) respectively, and a fixing device is arranged on the outer wall of the stair support (1).

2. The ladder for the water conservancy and hydropower engineering as claimed in claim 1, wherein the fixing device comprises fixing blocks (221), swivel rings (222), telescopic connecting plates (223), fixing plates (224), support connecting plates (225), three sliders (226), four sliding chutes (227) and two holes and grooves (228), the fixing blocks (221) are fixed on two sides of the outer wall of the stair support (1), the swivel rings (222) are arranged inside two groups of fixing blocks (221), the telescopic connecting plates (223) are movably connected on two groups of swivel rings (222), the fixing plates (224) are embedded at the bottoms of two groups of telescopic connecting plates (223), the swivel rings (222) are arranged at the bottoms of two groups of telescopic connecting plates (223), the two groups of telescopic connecting plates (223) are movably connected with the support connecting plates (225) through the swivel rings (222), the three sliders (226) are arranged at the other ends of the two groups of support connecting plates (225), two sets of slider three (226) all inlays in spout four (227), and two sets of spout four (227) are seted up in stair support (1) bottom outer wall both sides, and two sets of spout four (227) top has all seted up hole groove two (228).

3. The ladder for the water conservancy and hydropower engineering as claimed in claim 1, wherein the first sliding block (126) is a cuboid, the first sliding groove (128) is a cuboid, the first sliding block (126) moves inside the first sliding groove (128), so that the third internal rotating shaft (127) rotates to drive the second rotating shaft (124) to rotate, and the moving length of the first sliding block (126) is equal to that of the first sliding groove (128).

4. The ladder for the water conservancy and hydropower engineering as claimed in claim 1, wherein the moving plate (129) is a cuboid, the moving plate (129) is embedded inside a second chute (130), the second chute (130) is a cuboid, the moving plate (129) moves up and down in the second chute (130), and the moving distance of the moving plate (129) is equal to the height of the second chute (130).

5. The ladder for the water conservancy and hydropower engineering as claimed in claim 1, wherein the first hole groove (131) is circular, the button (132) is cylindrical, the diameter of the first hole groove (131) is equal to that of the button (132), a second rotating shaft (124) arranged at the bottom of the button (132) moves inside the transmission chain (125) by the length of a third sliding groove (135) and is equal to the maximum telescopic distance of the spring (136).

6. The ladder for water conservancy and hydropower engineering according to claim 2, wherein the telescopic connecting plate (223) and the support connecting plate (225) are cuboids, the third sliding block (226) slides in the fourth sliding groove (227), and when the third sliding block slides to the bottom of the fourth sliding groove (227), the shape formed by the telescopic connecting plate (223) and the support connecting plate (225) is triangular.