Unit center measurement auxiliary frame

Abstract

The invention discloses a unit center measurement auxiliary frame in the field of water conservancy and hydropower engineering, which comprises a base and a supporting bracket connected to the top of the base, a traction component connected to the top of the base, a guide wheel rotatably connected to the top of the supporting bracket, a reinforcing component connected to the side surface of the supporting bracket, and a connecting bracket connected to the top of the supporting bracket, by means of the device, the hoisting connection stability of the water-turbine generator set can be effectively improved, compared with a traditional device, the device is more convenient to install on the two sides of water flow, and the water-turbine generator set is more convenient to use. Therefore, the water-turbine generator set can make full contact with water flow, meanwhile, the supporting bracket structure erected on the shore can ensure the installation stability of the device in actual use, and the influence of the water flow on the supporting structure of the device is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy and hydropower engineering, and in particular to a unit center measurement auxiliary frame. Background Art

[0002] During the A-level maintenance of the hydro-turbine generator set, there is no special bracket to measure the center of the stator, runner room, lower frame and other components. The overall support frame is required to be strong, stable, easy to disassemble and assemble, and not affect the lower frame hoisting. Therefore, an auxiliary special rack is made for the center measurement of the unit.

[0003] The Chinese patent with the announcement number CN113864598A discloses an auxiliary bracket for photoelectric rangefinder for measuring distance, which belongs to the field of distance measurement, and includes a fixed frame, a connecting rod, a rubber block and a sliding plate. The connecting rod is welded and fixed to the bottom end of the fixed frame, and the sliding plate is limitedly slidably connected to the connecting rod. The bottom end of the fixed frame is installed with a mobile placement component, and the top of the fixed frame is installed with an outdoor protection component and an installation and disassembly component. The present application realizes the safety of the photoelectric rangefinder body working outdoors by setting a protective plate. The protective plates on both sides of the bidirectional threaded rod can be driven to move toward the middle at the same time and form a closure by using a connecting wire and a fixed coil, so that the photoelectric rangefinder body can be automatically and stably protected, and can effectively prevent the external rain, snow or ultraviolet rays from causing adverse effects or damage to the photoelectric rangefinder body, solving the problem that the photoelectric rangefinder body in the prior art cannot stably protect itself when working outdoors.

[0004] However, the above-mentioned publicly disclosed scheme has the following shortcomings: the above-mentioned scheme supports the top equipment through a triangular structure. In actual use, the above-mentioned device is not convenient for outdoor use when it needs to be set up on both sides of the water flow. In addition, the above-mentioned device has a risk of tipping over due to its high center of gravity during actual use. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification summary and invention title of the present invention to avoid blurring the purpose of this section, specification summary and invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] The purpose of the present invention is to address the technical problems existing in the background technology. The present invention proposes a unit center measurement auxiliary frame. The present invention can effectively improve the hoisting connection stability of the hydro-turbine generator set through this device. Compared with traditional devices, this device is more convenient to install on both sides of the water flow, so that the hydro-turbine generator set can fully contact the water flow. At the same time, the supporting bracket structure erected on the shore can ensure the installation stability of the device during actual use, avoiding the influence of the water flow on the supporting structure of the device.

[0007] The present invention proposes a unit center measurement auxiliary frame, including a base and a support bracket connected to the top thereof, a traction component connected to the top of the base, a guide wheel rotatably connected to the top of the support bracket, a reinforcement component connected to the side of the support bracket, a connecting bracket connected to the top of the support bracket, a telescopic rod connected to the bottom of the connecting bracket, and a docking component connected to the telescopic end of the bottom of the telescopic rod.

[0008] By adopting the above technical solution, the present solution can effectively improve the support stability of the present device through the structure of the strengthening component, and can effectively improve the traction transmission stability of the present device through the structure of the traction component.

[0009] Preferably, the traction component includes a motor base connected to the base, a motor bracket is connected to the top of the motor base, a rotating motor is connected to the side of the motor bracket, a driving pulley is connected to the output end of the rotating motor, a transmission belt is sleeved on the outer side of the driving pulley, the other end of the transmission belt is connected to a driven pulley, the driven pulley is provided with a rotating shaft, a rotating bracket is connected to the top of the motor base, the rotating bracket is rotatably connected to the rotating shaft, the rotating shaft passes through the side of the rotating bracket and the end of the rotating bracket away from the driven pulley is connected to a traction wheel, and a steel cable is provided on the traction wheel.

[0010] By adopting the above technical solution, the present solution can effectively improve the transmission stability of the device through the structure of the steel cable, and can improve the accuracy of controlling the lifting height of the connecting plate through the structure of the steel cable.

[0011] Preferably, the reinforcing component includes a side connecting bracket connected to the side of the supporting bracket, a top connecting bracket is connected to the top of the supporting bracket, the side connecting bracket is connected to a reinforcing connecting rod, the other end of the reinforcing connecting rod is connected to the top connecting bracket, the side connecting bracket is connected to the supporting bracket by bolts, and the top connecting bracket is connected to the supporting bracket by bolts.

[0012] By adopting the above technical solution, the present solution connects the top connecting bracket and the side connecting bracket through the structure of bolts, thereby ensuring the efficiency of the assembly connection of the present device.

[0013] Preferably, the docking component includes a connecting plate connected to the bottom of the telescopic rod, the bottom of the connecting plate is rotatably connected to a rotating connector, the bottom of the rotating connector is connected to a sliding plate, the bottom of the sliding plate is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected to a clamping member.

[0014] By adopting the above technical solution, the present solution can effectively improve the clamping connection stability of the present device through the structure of the sliding groove and the clamping member, so that the present device can effectively improve the compatibility and stability of the device for connecting motors of different models when in use.

[0015] Preferably, the clamping member is symmetrically mirrored at the bottom of the sliding plate, the clamping member is L-shaped, a plurality of equally spaced anti-slip pads are connected to the bottom of the clamping member, two mirrored clamping members are connected by a bidirectional screw rod, and a side baffle is connected to the side of the clamping member.

[0016] By adopting the above technical solution, the solution can effectively improve the docking stability of the device through the structure of the anti-slip pad, and the L-shaped clamping piece structure can effectively improve the connection stability of the device.

[0017] Preferably, a rotation damping member is connected to the top of the sliding plate, and the rotation damping member is rotationally dampedly connected to the outer arc surface of the rotation connecting member.

[0018] By adopting the above technical solution, the present solution can effectively improve the horizontal rotation adjustment of the device through the structure of the rotating damping member, so that after the motor is installed, the horizontal direction of the motor can be controlled by rotating the connecting member and the rotating damping member, thereby ensuring that the motor is in a vertical state with the water flow direction.

[0019] Preferably, one end of the steel cable is wound around and connected to the traction wheel, and the other end of the steel cable is connected to the top of the connecting plate after being transmission-connected to the guide wheel.

[0020] By adopting the above technical solution, the present solution can ensure the transmission stability of the device through the connection structure of the steel cable, and at the same time the structure of the telescopic rod can prevent the lifting plate from tilting during the lifting and sliding process.

[0021] Preferably, two traction components are symmetrically arranged on both sides of the support bracket, and the two traction components are simultaneously connected to the connecting plate through the steel cable, and the two traction components operate synchronously.

[0022] By adopting the above technical solution, the present solution can effectively improve the transmission stability of the device through the symmetrical traction component structure, and avoid the tilting of the lifting plate caused by unilateral traction transmission.

[0023] In summary, the present invention includes at least one of the following beneficial effects:

[0024] The present invention is modified to reduce the operation risk and improve the work efficiency. The special frame for auxiliary measurement of the center of the hydro-turbine generator set is connected with the lower frame by bolts using the support bottom. The special tool is easy to disassemble and assemble, firmly fixed, and will not cause displacement or shaking to cause untrue measurement data, etc. The work efficiency is greatly improved. The present invention can effectively improve the hoisting connection stability of the hydro-turbine generator set through this device. Compared with the traditional device, this device is more convenient to install on both sides of the water flow, so that the hydro-turbine generator set can fully contact the water flow. At the same time, the support bracket structure erected on the shore can ensure the installation stability of the device during actual use, avoiding the influence of the water flow on the support structure of the device. The sliding clamping part structure can realize the compatibility docking and fixing of the device for various types of hydro-turbine generator sets, and the bidirectional screw structure can ensure the stability of the clamping docking between the device and the hydro-turbine generator set, reducing the risk of accidental falling of the hydro-turbine generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0026] Figure 1 It is a front view of an embodiment of a machine unit center measurement auxiliary frame of the present invention;

[0027] Figure 2 for Figure 1 A magnified view of the structure at center;

[0028] Figure 3 This is a schematic diagram of the structure of the top connecting bracket in an embodiment of the present invention;

[0029] Figure 4 for Figure 3 A magnified view of the structure at B in the middle;

[0030] : 1. base; 2. traction component; 201. motor base; 202. motor bracket; 203. rotating motor; 204. driving pulley; 205. driven pulley; 206. rotating bracket; 207. traction wheel; 3. supporting bracket; 4. reinforcement component; 401. side connecting bracket; 402. top connecting bracket; 403. reinforcing connecting rod; 5. guide wheel; 6. connecting bracket; 7. telescopic rod; 8. docking component; 801. connecting plate; 802. rotating connecting member; 803. sliding plate; 804. clamping member; 805. bidirectional screw rod; 806. side baffle; 807. sliding groove; 808. anti-slip pad. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 The present invention is described in further detail.

[0032] Embodiment 1

[0033] like Figure 1-Figure 4 As shown, in order to solve the existing problems, the present invention discloses a unit center measurement auxiliary frame in this embodiment, including a base 1 and a support bracket 3 connected to the top thereof, a traction component 2 is connected to the top of the base 1, a guide wheel 5 is rotatably connected to the top of the support bracket 3, a reinforcement component 4 is connected to the side of the support bracket 3, a connecting bracket 6 is connected to the top of the support bracket 3, a telescopic rod 7 is connected to the bottom of the connecting bracket 6, and a docking component 8 is connected to the telescopic end of the bottom of the telescopic rod 7.

[0034] The traction component 2 includes a motor base 201 connected to the base 1, a motor bracket 202 is connected to the top of the motor base 201, a rotating motor 203 is connected to the side of the motor bracket 202, a driving pulley 204 is connected to the output end of the rotating motor 203, a transmission belt is sleeved on the outer side of the driving pulley 204, the other end of the transmission belt is connected to a driven pulley 205, the driven pulley 205 is provided with a rotating shaft, a rotating bracket 206 is connected to the top of the motor base 201, the rotating bracket 206 is rotatably connected to the rotating shaft, the rotating shaft passes through the side of the rotating bracket 206, and the end of the rotating bracket 206 away from the driven pulley 205 is connected to a traction wheel 207, and a steel cable is provided on the traction wheel 207.

[0035] The reinforcing component 4 includes a side connecting bracket 401 connected to the side of the supporting bracket 3, a top connecting bracket 402 is connected to the top of the supporting bracket 3, the side connecting bracket 401 is connected to a reinforcing connecting rod 403, the other end of the reinforcing connecting rod 403 is connected to the top connecting bracket 402, the side connecting bracket 401 is connected to the supporting bracket 3 by bolts, and the top connecting bracket 402 is connected to the supporting bracket 3 by bolts.

[0036] The docking component 8 includes a connecting plate 801 connected to the bottom of the telescopic rod 7, the bottom of the connecting plate 801 is rotatably connected to a rotating connector 802, the bottom of the rotating connector 802 is connected to a sliding plate 803, the bottom of the sliding plate 803 is provided with a sliding groove 807, and the inner wall of the sliding groove 807 is slidably connected to a clamping member 804.

[0037] The clamping member 804 is symmetrically mirrored at the bottom of the sliding plate 803, and the clamping member 804 is L-shaped. A plurality of equally spaced anti-slip pads 808 are connected to the bottom of the clamping member 804. The two mirrored clamping members 804 are connected by a bidirectional screw rod 805, and a side baffle plate 806 is connected to the side of the clamping member 804.

[0038] A rotation damping member is connected to the top of the sliding plate 803 , and the rotation damping member is rotationally dampedly connected to the outer arc surface of the rotation connecting member 802 .

[0039] One end of the steel cable is wound around and connected to the traction wheel 207 , and the other end of the steel cable is connected to the guide wheel 5 and then connected to the top of the connecting plate 801 .

[0040] Two traction components 2 are symmetrically arranged on both sides of the support bracket 3. The two traction components 2 are connected to the connecting plate 801 through the steel cable at the same time, and the two traction components 2 operate synchronously.

[0041] The specific working principle is: the support bracket 3 of the device can be used to facilitate the installation of the device on the banks on both sides of the water flow, so that the center of the device is set above the water flow, which is convenient for subsequent detection.

[0042] When the device is in use, the structure of the base 1 and the support bracket 3 can ensure the stability of the support structure of the device. After the support bracket 3 is installed and fixed, the support strength of the device can be effectively improved by installing a reinforcing component 4 on the side of the support bracket 3, thereby reducing the risk of bending and breaking of the support bracket 3.

[0043] When the device is in use, the combination of the traction component 2 and the steel cable can realize the lifting and lowering control effect of the connecting plate 801. At this time, the structure of the telescopic rod 7 can ensure the vertical lifting and sliding of the connecting plate 801, avoiding the problem of tilting of the connecting plate 801. At the same time, the device can ensure that the connecting plate 801 is evenly stressed by the synchronous operation of the symmetrical traction components 2.

[0044] When the device is in use, the docking component 8 can make it easy for the device to dock with motors and other equipment. By rotating the bidirectional screw rod 805, the control effect of the mirror-symmetrical clamping member 804 can be achieved, thereby achieving the sliding clamping effect of the device. The L-shaped clamping member 804 of the device can improve the wrapping effect of the device on the motor. The structure of the side baffle plate 806 can effectively improve the clamping connection stability of the device, while avoiding blocking the output end of the motor, thereby ensuring the stability of the device.

[0045] Embodiment 2

[0046] like Figure 1-Figure 4 As shown, in order to solve the existing problems, in this embodiment, based on the same concept as the above-mentioned embodiment 1, a special auxiliary frame for measuring the center of a hydro-generator set is proposed:

[0047] The invention comprises a column assembly consisting of two columns and a connecting beam connecting the two columns; bolt holes are arranged at the bottom of the column, symmetrically arranged on the support at the bottom of the supporting device, and connected to the lower frame. The device has high centering accuracy, is easy to disassemble, has high reusability, low construction cost, and is safe and reliable. The invention can ensure safety and improve work efficiency.

[0048] Furthermore, each part of the support frame is welded firmly.

[0049] Furthermore, the center distance of the symmetrical screw holes of the bottom support of the vertical pole is φ2820mm, and 4 φ30mm bolt holes are set, which are connected and fastened with the lower frame with M24*40 bolts.

[0050] Furthermore, the special auxiliary frame for measuring the center of the hydro-generator set has a column height of 1850 mm and a connecting beam length of 2250 mm.

[0051] The specific working steps are: Working steps:

[0052] 1. Purchase a channel steel with a length of 11m, dimensions of 140mm in height and 58mm in width;

[0053] 2. Cut two 2250mm, four 1850mm and two 1000mm channel steels according to the diameter of the center hole of the lower frame;

[0054] 3. Open four holes with a diameter of 30 mm inside two 1000 mm channel steels according to the size of the bolt holes at the edge of the center hole of the lower frame, and the hole spacing is evenly distributed according to the size of the bolt holes at the edge of the center hole of the lower frame;

[0055] 4. Use the cut channel steel to make and weld two door frames. The height of the channel steel is 1850mm and the length is 2250mm. Weld the two door frames together with an average interval of 80mm. Weld a channel steel with holes drilled in advance at the bottom of the two support rods of the door frame. The length is 1000mm. The above welding must be full and firmly welded. Figure 1 shown);

[0056] 5. Prepare 4 M24×40mm bolts for connecting the door frame and the lower frame;

[0057] 6. Lift the prepared special frame to the workstation using a bridge crane, and connect it symmetrically to the center hole of the lower frame with M24×40mm bolts;

[0058] 7. This special frame is used to measure the center of the hydro-turbine generator set. It is easy to install and dismantle. The frame is firm and stable as a whole, which is safer during operation and greatly improves work efficiency.

[0059] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A unit center measurement auxiliary frame, comprising a base (1) and a support bracket (3) connected to the top thereof, characterized in that: The top of the base (1) is connected to a traction component (2), the top of the support bracket (3) is rotatably connected to a guide wheel (5), the side of the support bracket (3) is connected to a reinforcement component (4), the top of the support bracket (3) is connected to a connecting bracket (6), the bottom of the connecting bracket (6) is connected to a telescopic rod (7), and the telescopic end at the bottom of the telescopic rod (7) is connected to a docking component (8).

2. The unit center measurement auxiliary frame according to claim 1, characterized in that: The traction component (2) comprises a motor base (201) connected to the base (1), a motor bracket (202) being connected to the top of the motor base (201), a rotating motor (203) being connected to the side of the motor bracket (202), a driving pulley (204) being connected to the output end of the rotating motor (203), a transmission belt being sleeved on the outer side of the driving pulley (204), a driven pulley (205) being connected to the other end of the transmission belt, the driven pulley (205) being provided with a rotating shaft, a rotating bracket (206) being connected to the top of the motor base (201), the rotating bracket (206) being rotatably connected to the rotating shaft, the rotating shaft passing through the side of the rotating bracket (206), and a traction wheel (207) being connected to the end thereof away from the driven pulley (205), and a steel cable being provided on the traction wheel (207).

3. The unit center measurement auxiliary frame according to claim 2, characterized in that: The reinforcing component (4) comprises a side connecting bracket (401) connected to the side of the supporting bracket (3); the top of the supporting bracket (3) is connected to a top connecting bracket (402); the side connecting bracket (401) is connected to a reinforcing connecting rod (403); the other end of the reinforcing connecting rod (403) is connected to the top connecting bracket (402); the side connecting bracket (401) is connected to the supporting bracket (3) by bolts; and the top connecting bracket (402) is connected to the supporting bracket (3) by bolts.

4. The unit center measurement auxiliary frame according to claim 3, characterized in that: The docking component (8) comprises a connecting plate (801) connected to the bottom of the telescopic rod (7); the bottom of the connecting plate (801) is rotatably connected to a rotating connecting piece (802); the bottom of the rotating connecting piece (802) is connected to a sliding plate (803); the bottom of the sliding plate (803) is provided with a sliding groove (807); the inner wall of the sliding groove (807) is slidably connected to a clamping piece (804).

5. The unit center measurement auxiliary frame according to claim 4, characterized in that: The clamping member (804) is symmetrically mirrored at the bottom of the sliding plate (803), and the clamping member (804) is L-shaped. A plurality of equally spaced anti-slip pads (808) are connected to the bottom of the clamping member (804). Two mirrored clamping members (804) are connected by a bidirectional screw rod (805), and a side baffle (806) is connected to the side of the clamping member (804).

6. The unit center measurement auxiliary frame according to claim 5, characterized in that: A rotation damping member is connected to the top of the sliding plate (803), and the rotation damping member is rotationally dampingly connected to the outer arc surface of the rotation connecting member (802).

7. The unit center measurement auxiliary frame according to claim 6, characterized in that: One end of the steel cable is wound around and connected to the traction wheel (207), and the other end of the steel cable is connected to the guide wheel (5) through transmission connection and then connected to the top of the connecting plate (801).

8. The unit center measurement auxiliary frame according to claim 7, characterized in that: Two traction components (2) are symmetrically arranged on both sides of the support bracket (3); the two traction components (2) are simultaneously connected to the connection plate (801) through the steel cable; and the two traction components (2) operate synchronously.

Images