Rack rail trolley suitable for fish lifting machine

Abstract

The utility model discloses a rack rail trolley suitable for a fish lifting machine, which comprises a fish transporting box, a frame, supporting wheels, reverse wheels, side wheels, a driving device and rack rails, the fish transporting box is of a cubic structure with a top cover and a bottom capable of being opened, the frame is of a frame structure, the fish transporting box is installed on the frame, the supporting wheels are steel wheels, and the supporting wheels bear the load of the trolley; the reverse wheels are steel wheels, and the reverse wheels are used for restraining the inclined force on a ramp during climbing; the side wheels are steel wheels, and the side wheels restrain the trolley to run in front of the track. The driving device comprises a servo motor, a speed reducer and a driving gear, and the driving device is a driving power part for walking of the trolley; the rack rail is a rack and rail integrated component of a steel structure, and the rack rail is a supporting piece and a driving piece for running of the trolley. According to the utility model, the fish transporting box of the fish lifting machine can be transported from the downstream of a dam to the upstream of the dam; compared with a traditional fish transporting trolley, the fish transporting trolley can adapt to more complex geographical conditions; due to the special structural form and arrangement mode, the trolley can run on tracks of various curves such as uphill, downhill, turning and the like, and the requirement for a large climbing gradient is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the transport trolley applied to water conservancy projects, concretely relates to the rack trolley suitable for fish lifting machine. BACKGROUND

[0002] For the water gate and the dam with small height, the fishway can be arranged as the fish passing dam facility, and for the high dam, the fish lifting machine needs to be arranged to set up the mechanical equipment to assist the lifting. The lifting equipment of the existing fish lifting machine has the cable car, the hoist and other lifting modes, and in the fish passing dam process, the fish rotates between the fish collecting hopper, the fish transporting box and the fish lifting trolley, and the fish transporting box swings greatly in the transportation and lifting process. Since the above-mentioned operation procedure is complicated and the stability is poor, it is necessary to research and improve the engineering layout and the equipment scheme, and one equipment can realize the operation from the dam downstream to the dam upstream, and can conform to the present situation terrain and reduce the influence of the engineering on the environment landscape. UTILITARY MODEL

[0003] The utility model wants to solve the problems in the prior art, and provides the rack trolley suitable for the fish lifting machine, so as to meet the requirements of the one-key operation of the fish lifting system and the reduction of the influence of the engineering on the environment landscape.

[0004] The utility model adopts the technical scheme that:

[0005] The rack trolley suitable for the fish lifting machine, including fish transporting box, frame, supporting wheel, reverse wheel, side wheel, driving device, rack, the fish transporting box is the thin shell three-dimensional structure that top cover and bottom valve can open, the frame is the frame structure, the fish transporting box is installed on the upper portion of the frame, the supporting wheel, the reverse wheel and the side wheel are all installed on the lower portion of the frame, the supporting wheel is the steel wheel, and the supporting wheel bears the load of the trolley, the reverse wheel is the steel wheel, and the reverse wheel restricts the tilting force when the trolley climbs on the slope, the side wheel is the steel wheel, and the side wheel restricts the trolley driving along the track front, the driving device is installed on the frame, and the driving device is the driving power component of the trolley walking, the rack is composed of the rack and the track fixed connection, and the rack is the supporting piece and the driving piece of the trolley operation.

[0006] Further, the fish transporting box comprises a fish transporting box body, a top cover, and a bottom valve. The top cover comprises a top cover pressing rod and a top cover flap. The top cover flap is installed on the top of the fish transporting box body. The top cover pressing rod is fixed to the upper part of the top cover flap. The top cover flap is divided into two symmetrical parts. Each part is a link folding structure based on the folding umbrella principle, forming a cantilever mechanism with the top of the fish transporting box body as the fulcrum. When the fish collecting bucket of the fish lifting machine presses the top cover pressing rod from the top, the top cover flap folds, the upper opening of the fish transporting box body is opened, and water and fish can enter the fish transporting box from the upper opening. After the fish collecting bucket is lifted away, the top cover flap is closed. The bottom valve comprises a bottom valve body, a bottom valve spring, and a bottom valve guide support. The bottom valve body, the bottom valve spring, and the bottom valve guide support are installed at the bottom of the fish transporting box body. The bottom valve body can move vertically under the constraint of the bottom valve guide support. The bottom valve body is tightly sealed with the fish transporting box body under the pressure of the bottom valve spring. The rack is provided with a limiting block at the end of the fish releasing area. When the fish transporting box reaches the fish releasing area, the bottom valve body of the fish transporting box is extruded by the limiting block and opens to overcome the pressure of the bottom valve spring. Water and fish leave the fish transporting box from the bottom opening of the fish transporting box body. After the fish transporting box leaves the fish releasing area, the bottom valve body is closed under the pressure of the bottom valve spring.

[0007] Further, the two ends of the frame are provided with anti-collision buffer devices and proximity sensing devices. The anti-collision buffer devices adopt rubber anti-collision blocks, and the proximity sensing devices are proximity radars. The anti-collision buffer devices and the proximity sensing devices are both existing mature technologies, which can prevent the trolley from colliding with foreign objects during operation.

[0008] Further, the supporting wheels, the reverse wheels, and the side wheels are each provided with a set at the left front, the right front, the left rear, and the right rear of the frame.

[0009] Further, the supporting wheels and the reverse wheels are respectively located on the top surface and the bottom surface of the rack. One set of supporting wheels corresponds to one set of reverse wheels. The side wheels are arranged on the side surface of the rack. The load sensor is arranged on the wheel shaft of the side wheel. When the side wheel presses the side surface of the rack, the driving device adjusts the speed.

[0010] Further, the driving device is provided with two sets, which are respectively located on the left and right sides of the frame. The two sets of driving devices can operate at the same speed to make the trolley straight, or operate at different speeds to make the trolley turn.

[0011] Further, the driving device comprises a servo motor, a speed reducer, and a driving gear. The servo motor drives the driving gear to rotate through the speed reducer. The driving gear is engaged with the rack on the rack. The rack generates a reaction force on the driving gear, which pushes the trolley to move. The strength of the gear meets the working requirements of the trolley when climbing a slope.

[0012] The utility model discloses an operation principle is: when the fish collecting bucket of fish lifting machine is from upper portion pressure cover pressure rod, the top cover flap folding overturn, the upper bin mouth of fish transport box opens, and water and fish enter the fish transport box from the upper bin mouth, and the top cover closes after the fish collecting bucket promotes and leaves, and servo motor drives the driving gear to rotate through the speed reducer, and the driving gear is engaged with the rack on the toothed rail, and the rack generates reaction force to the driving gear and promotes the trolley to walk, and the trolley carries the fish transport box and runs to the preset fish releasing area, and the limiting block arranged in the preset fish releasing area is touched, and the bottom valve of fish transport box opens, and water and fish can leave the fish transport box and enter the reservoir from the bottom opening of fish transport box, and fish transport is finished.

[0013] The utility model discloses the beneficial effect is:

[0014] 1、The trolley can realize that the fish transport box of fish lifting machine transports from the downstream of dam to the upstream of dam, helps fish to cross the barrier, restores its migration route, and protects fishery resources.

[0015] 2、The trolley runs and walks close to the ground, and the gravity center of equipment sinks, and the fish collecting box does not shake greatly when running.

[0016] 3、The trolley can satisfy the track operation of trolley in each type curve such as uphill, downhill and turning, can adapt to complex geographical conditions, and the change of engineering building to the original topography is smaller.

[0017] 4、The trolley adopts gear and rack engagement, and the driving force of trolley is different from the counter -push of conventional trolley using static friction, but utilizes the reaction force of toothed rail to driving gear, and the thrust is not affected by the inclination angle of track, and can satisfy the relatively big climbing slope.

[0018] 5、The trolley can realize that the fish transport box runs from the fish collecting groove to the fish releasing area of reservoir with one equipment.

[0019] 6、The top cover of fish collecting box is opened automatically after being pressed by fish collecting bucket, and closes automatically after fish collecting bucket leaves, and the bottom valve is extruded and opened after contacting the track limiting block, and closes automatically after leaving the limiting block, and the opening and closing of the top cover and bottom valve of fish collecting box all do not need to drive equipment, so that the fish transport box is operated without electricity.

[0020] 7、The driving gear of driving device is engaged with the rack on the toothed rail, and the positioning is accurate. DRAWINGS

[0021] Fig. 1 It is the longitudinal section view of the utility model;

[0022] Fig. 2 It is the transverse section view of the utility model;

[0023] Fig. 3The top cover and the bottom valve are in the open state, which is a horizontal sectional view of the utility model.

[0024] In the figure: 1-fish box; 1a-fish box body; 1b-top cover pressing rod; 1c-top cover flap; 1d-bottom valve body; 1e-bottom valve spring; 1f-bottom valve guide bearing; 2-carriage; 2a-anti-collision buffer device; 2b-proximity sensing device; 3-driving device; 3a-servo motor; 3b-reduction box; 3c-driving gear; 4-supporting wheel; 5-reverse wheel; 6-toothed rail; 6a-rack; 6b-rail; 6c-limiting block; 7-side wheel; 7a-load sensor. DETAILED DESCRIPTION

[0025] The utility model will be explained in detail below in combination with the drawings:

[0026] As Figs. 1 to 3As shown, the utility model is applicable to the rack and pinion trolley of fish elevator, including fish transport case 1, frame 2, drive arrangement 3, support wheel 4, reverse wheel 5, rack 6, side wheel 7. Fish transport case 1 is thin shell three-dimensional structure that top cover and bottom can be opened, frame 2 is frame structure, fish transport case 1 is by fish transport case body 1a, top cover compression rod 1b, top cover flap 1c, bottom valve body 1d, bottom valve spring 1e and bottom valve guide support 1f is composed, top cover compression rod 1b and top cover flap 1c are installed at the top of fish transport case body 1a, top cover flap 1c upper portion is fixedly connected with top cover compression rod 1b, top cover flap is divided into two symmetrical pieces, each piece is the connecting rod foldable structure using the principle of folding umbrella, forms the pole mechanism with fish transport case top as fulcrum, when the fish collecting hopper of fish elevator from upper portion pressure top cover compression rod 1b, top cover flap 1c folds, and the upper warehouse mouth of fish transport case body is opened, and water and fish can enter the fish transport case from the upper warehouse mouth, and the fish collecting hopper is lifted and leaves, and the top cover flap is closed, bottom valve body 1d, bottom valve spring 1e and bottom valve guide support 1f are installed at the bottom of fish transport case body 1a, and the bottom valve body can move in the vertical direction under the constraint of bottom valve guide support, and the bottom valve body is tightly sealed with fish transport case body under the pressure of bottom valve spring, when fish transport case reaches fish releasing area, the bottom valve body of fish transport case is extruded by limiting block and is opened by overcoming the pressure of bottom valve spring, and water and fish leave fish transport case from the bottom opening of fish transport case body, and the bottom valve body is closed by the pressure of bottom valve spring after fish transport case leaves fish releasing area, in the left front, right front, left rear, right rear of frame main body 2a, there is each 1 set of anti-collision buffer device 2a and proximity sensing device 2b, and anti-collision buffer device 2a adopts rubber anti-collision block, and proximity sensing device 2b is proximity radar, fish transport case 1 is installed on the upper portion of frame 2, drive arrangement 3 is composed of servo motor 3a, reduction box 3b and drive gear 3c, and drive arrangement 3 is the active power component of trolley running, and frame 2 is provided with each 1 set of drive arrangement 3 in the left front and right front, support wheel 4 is steel wheel, and support wheel 4 bears the load of trolley, and support wheel 4 is provided with each 1 set in the left front, right front, left rear and right rear of frame 2, reverse wheel 5 is steel wheel, and reverse wheel 5 restricts the tilting force when trolley climbs on slope, and reverse wheel 5 is provided with each 1 set in the left front, right front, left rear and right rear of frame 2, rack 6 is composed of rack 6a and track 6b, and rack 6 is the support and drive part of trolley running, and rack 6 is composed of rack 6a, track 6b and limiting block 6c, rack 6a is installed in parallel with track 6b, and limiting block 6c is installed in the end of the fish releasing area side of rack 6, side wheel 7 is steel wheel, and side wheel 7 restricts trolley driving along track 6b front, and there are each 2 sets of side wheels in front and back, and 1 load sensor 7a is installed on the axle of each set of side wheel 7, and drive arrangement is speed-regulated when side wheel is pressed against rack side.

[0027] The operation and use mode of the trolley of the utility model is as follows:

[0028] The fish collecting bucket of the fish lifting machine is lifted to the top of the trolley by the opening and closing machine and then starts to descend. When the fish collecting bucket touches and presses the top cover pressure rod 1b on the top of the fish transporting box 1, the top cover flap 1c is folded and opened. The water in the fish collecting bucket carries the fish into the fish transporting box 1. After the fish collecting bucket is lifted, the top cover flap 1c is closed. The servo motor 3a drives the speed reducer 3b, and the speed reducer 3b drives the driving gear 3c to rotate. The rack 6a of the toothed rail 6 is engaged with the driving gear 3c, and the rack 6a counteracts the driving gear 3c. The thrust is transmitted to the trolley frame 2, and the trolley runs. When the trolley runs, the supporting wheel 4 is pressed on the rail 6b. When the trolley runs in the straight section, the reverse wheel 5 has a gap with the rail 6b. When the trolley runs, each set of side wheels 7 has a gap with the rail 6b. When the trolley runs in the turning section of the rail 6b, the side wheels 7 on the outer arc side are pressed against the rail 6b. After the load sensor 7a collects the pressure signal, it is fed to the servo motor 3a, which speeds up the rotation speed of the servo motor 3a. After the running correction, the servo motor 3a returns to normal speed. When the trolley climbs, the reverse wheel 5 is restrained from tilting backward. The proximity sensing device 2b on the trolley frame 2 detects whether there is foreign matter on the rail 6b that affects the safety of the trolley. When the trolley runs to the set fish releasing area, the anti-collision buffer device 2a in front of the trolley frame 2 presses the limiting block 6c on the toothed rail 6, and at the same time, the limiting block 6c tightly pushes the bottom valve body 1d upward. The bottom valve spring 1e is compressed, the bottom valve body 1d is opened, the water in the fish transporting box 1 carries the fish and flows away, and the running stroke is completed. The trolley runs reversely to the starting position and waits for the next fish transporting stroke.

[0029] The above embodiments are described in conjunction with the drawings, but should not be construed as limiting the scope of protection of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, the technical solutions obtained by equivalent replacement or equivalent transformation without departing from the concept of the utility model belong to the protection scope of the utility model.

Claims

1. Rack and pinion trolley for fishlifts, characterized in that: It comprises a fish transporting box, a frame, supporting wheels, counter wheels, side wheels, a driving device and a toothed rail; the fish transporting box is a thin shell three-dimensional structure with both the top cover and the bottom valve being openable, the frame is a frame structure, the fish transporting box is installed on the upper part of the frame, and the supporting wheels, the counter wheels and the side wheels are all installed on the lower part of the frame; the supporting wheels are steel wheels and bear the load of the trolley; the counter wheels are steel wheels and constrain the tilting force when the trolley climbs on a slope; the side wheels are steel wheels and constrain the trolley to travel forward along the track; the driving device is installed on the frame and is the driving power component of the trolley; and the toothed rail is composed of a rack and a track and is the supporting and driving component of the trolley.

2. The rack and pinion lift car according to claim 1, wherein: The fish transporting box comprises a fish transporting box body, a top cover and a bottom valve, the top cover comprises a top cover pressing rod and a top cover flap, the top cover flap is installed on the top of the fish transporting box body, the top cover pressing rod is fixed to the upper part of the top cover flap, the top cover flap is divided into two symmetrical pieces, each piece is a link foldable structure based on the folding umbrella principle and forms a cantilever mechanism with the top of the fish transporting box body as the fulcrum; the bottom valve comprises a bottom valve body, a bottom valve spring and a bottom valve guide support, the bottom valve body, the bottom valve spring and the bottom valve guide support are installed on the bottom of the fish transporting box body, the bottom valve body moves vertically under the constraint of the bottom valve guide support, and the bottom valve body is tightly sealed with the fish transporting box body under the pressure of the bottom valve spring; and the toothed rail is provided with a limiting block at the end of the fish releasing area.

3. The rack and pinion lift car of claim 1, wherein: The frame is provided with anti-collision buffer devices and proximity sensing devices at both ends, the anti-collision buffer devices adopt rubber anti-collision blocks, and the proximity sensing devices are proximity radars, so as to prevent the trolley from colliding with foreign matters during operation.

4. The rack and pinion lift car of claim 1, wherein: Each of the supporting wheels, the counter wheels and the side wheels is provided with a set at the left front, the right front, the left rear and the right rear of the frame.

5. The rack and pinion lift car according to claim 1 or 4, characterized in that: The supporting wheels and the counter wheels are respectively located on the top surface and the bottom surface of the toothed rail, and one set of supporting wheels corresponds to one set of counter wheels; the side wheels are provided on the side surface of the toothed rail, and a load sensor is arranged on the axle of the side wheel.

6. The rack and pinion lift car of claim 1, wherein: The driving device is provided with two sets, which are respectively located on the left and right sides of the frame, and the two sets of driving devices operate at the same speed to make the trolley straighten, or operate at different speeds to make the trolley turn.

7. The rack and pinion lift car according to claim 1 or 6, characterized in that: The driving device comprises a servo motor, a speed reducer and a driving gear, the servo motor drives the driving gear to rotate through the speed reducer, and the driving gear is engaged with the rack on the toothed rail.

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