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CN217255933U - Novel bolt assembly equipment - Google Patents

Novel bolt assembly equipment Download PDF

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Publication number
CN217255933U
CN217255933U CN202123340751.2U CN202123340751U CN217255933U CN 217255933 U CN217255933 U CN 217255933U CN 202123340751 U CN202123340751 U CN 202123340751U CN 217255933 U CN217255933 U CN 217255933U
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China
Prior art keywords
hydraulic cylinder
bolt
oil
annular ratchet
novel bolt
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CN202123340751.2U
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Chinese (zh)
Inventor
甘国文
林家洋
魏名盛
刘宜阳
黄伍江
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State Grid Fujian Electric Power Co Ltd
Fujian Shuikou Power Generation Group Co Ltd
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State Grid Fujian Electric Power Co Ltd
Fujian Shuikou Power Generation Group Co Ltd
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Application filed by State Grid Fujian Electric Power Co Ltd, Fujian Shuikou Power Generation Group Co Ltd filed Critical State Grid Fujian Electric Power Co Ltd
Priority to CN202123340751.2U priority Critical patent/CN217255933U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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Abstract

The utility model discloses a novel bolt rigging equipment, including controllable oil transportation device, power portion and can dismantle the fixed part of being connected with power portion, power portion includes pneumatic cylinder and swing arm, and the fixed part includes annular ratchet and the reaction arm of force. The hydraulic cylinder is fixedly connected with the reaction force arm, the annular ratchet wheel is rotatably arranged on the reaction force arm, one end of the swing arm is provided with a pawl, the pawl is meshed with the annular ratchet wheel and connected, and the other end of the swing arm is rotatably connected with a piston rod of the hydraulic cylinder. The controllable oil conveying device is respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder, and the annular ratchet wheel is used for being sleeved on the bolt. The utility model discloses utilize hydraulic transmission to form the moment of torsion, replace the current manual work and swing the dismouting mode of sledge hammer to through the power of controllable oil transportation device to the pneumatic cylinder, the moment of torsion size that produces promptly carries out accurate control, only need alone alright accomplish the bolt assembly, reduce work load, use safe laborsaving, promote the operating efficiency of bolt assembly.

Description

Novel bolt assembly equipment
Technical Field
The utility model relates to a make the field, in particular to novel bolt rigging equipment.
Background
The disassembly and assembly operation of the runner wash-out cone of the axial flow rotary paddle type water turbine generator set is an important maintenance task for unit maintenance, the disassembly and assembly operation is mainly based on high-strength bolt assembly pre-tightening, and in the previous maintenance process, the disassembly and assembly operation of a wash-out cone connecting bolt is mainly based on an operation mode of manually swinging a sledge hammer to knock. However, from the safety perspective, due to the particularity of the position of the connecting bolt of the water escape cone, an operator needs to stand on the runner maintenance platform to knock the bolt, and needs to tighten the wrench for matching by using a rope, so that once the wrench falls off or the sledge hammer is not aligned, a great potential safety hazard is generated, and the operation difficulty of swinging the sledge hammer reversely exists; from the angle of work load and maintenance efficiency, the sledge hammer needs to be knocked many times for the dismouting of every bolt, leads to operating personnel's work load big, and the operating time who spends is long, causes maintenance inefficiency. From the technical advancement, the mode of swinging the large hammer for tightening and loosening the bolt is an old traditional maintenance process, is relatively backward, and cannot accurately control the torque force according to the maintenance requirement.
Therefore, the existing connecting bolt is not safe and convenient enough in dismounting and mounting modes, the bolt pretightening force cannot be accurately controlled, and the bolt assembling operation efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a novel bolt rigging equipment for bolt dismouting is safe convenient, can also accurate control torsion, promotes the operating efficiency of bolt assembly.
In order to solve the above problem, the utility model discloses a scheme be:
a novel bolt assembling device comprises a controllable oil conveying device, a power part and a fixing part detachably connected with the power part, wherein the power part comprises a hydraulic cylinder and a swing arm, and the fixing part comprises an annular ratchet wheel and a reaction force arm;
the hydraulic cylinder is fixedly connected with the reaction force arm, the annular ratchet wheel is rotatably arranged on the reaction force arm, one end of the swing arm is provided with a pawl, the pawl is meshed with the annular ratchet wheel, and the other end of the swing arm is rotatably connected with a piston rod of the hydraulic cylinder;
the controllable oil conveying device is respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder, and the annular ratchet wheel is used for being sleeved on the bolt.
Further, the controllable oil transportation device comprises an oil tank, a driving device and a variable pump provided with a pressure gauge;
the oil tank is connected with an oil filling port pipeline of the variable pump, the variable pump is electrically connected with the driving device, and two oil conveying ports of the variable pump are respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder.
Further, the controllable oil transportation device also comprises a main control device and a control switch;
the main control device is respectively electrically connected with the driving device, the control switch and the pressure gauge.
Further, still include the brake valve lever, brake valve lever with master control set communication connection.
Further, the power part also comprises a rotary joint and two quick joints;
the low-pressure oil suction port and the high-pressure oil outlet of the hydraulic cylinder are respectively connected with the two quick-coupling pipelines through the rotary joint, and the two quick-couplings are respectively connected with the two oil delivery port pipelines of the variable displacement pump.
Furthermore, a high-pressure overflow valve and a low-pressure overflow valve are arranged on the variable displacement pump.
Further, the support structure is used for supporting the fixing part.
Further, the supporting structure comprises two clamping screws and a U-shaped supporting plate;
all be provided with a screw thread through-hole on two vertical portions of backup pad, two the screw thread through-hole sets one respectively clamp screw, two clamp screw's nut opposite orientation and length all are greater than the thickness of vertical portion, the horizontal portion of backup pad is used for supporting the fixed part.
Further, the combined bolt is also included;
the power part and the fixing part are fixedly connected through the combined bolt.
Further, the annular ratchet is a variable diameter ratchet.
To sum up, the beneficial effects of the utility model reside in that: the utility model provides a novel bolt rigging equipment cooperatees through pneumatic cylinder, swing arm and annular ratchet, utilizes hydraulic drive to form the moment of torsion, replaces the dismouting mode that current manual work swung the sledge hammer to through the power of controllable oil delivery device to the pneumatic cylinder, the moment of torsion size that produces promptly carries out accurate control, only need alone alright accomplish the bolt assembly, reduces work load, uses safe laborsaving, promotes the operating efficiency of bolt assembly.
Drawings
Fig. 1 is a structural front view of a power part, a fixed part and a controllable oil transportation device of a novel bolt assembling device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a hydraulic transmission of a novel bolt assembling device according to an embodiment of the present invention;
fig. 3 is an effect diagram of the supporting structure of the novel bolt assembling device of the embodiment of the present invention for clamping and fixing.
Description of reference numerals:
1. a controllable oil transfer device; 2. a piston rod; 3. a bolt; 4. a hydraulic cylinder; 5. swinging arms; 6. an annular ratchet wheel; 7. a reaction force arm; 8. an oil tank; 9. a drive device; 10. a pressure gauge; 11. a variable displacement pump; 12. a control switch; 13. a control handle; 14. a rotary joint; 15. a quick coupling; 16. a high pressure relief valve; 17. a low pressure relief valve; 18. a clamping screw; 19. a vertical portion; 20. a transverse portion; 21. a combined bolt; 22. an oil delivery port.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a novel bolt assembling apparatus includes a controllable oil transportation device 1, a power part and a fixing part detachably connected to the power part, wherein the power part includes a hydraulic cylinder 4 and a swing arm 5, and the fixing part includes an annular ratchet 6 and a reaction force arm 7;
the hydraulic cylinder 4 is fixedly connected with the reaction force arm 7, the annular ratchet wheel 6 is rotatably arranged on the reaction force arm 7, one end of the swing arm 5 is provided with a pawl, the pawl is meshed with the annular ratchet wheel 6, and the other end of the swing arm 5 is rotatably connected with the piston rod 2 of the hydraulic cylinder 4;
the controllable oil conveying device 1 is respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder 4, and the annular ratchet 6 is used for being sleeved on the bolt 3.
From the above description, the beneficial effects of the utility model reside in that: the utility model provides a novel bolt rigging equipment cooperatees through pneumatic cylinder 4, swing arm 5 and annular ratchet 6, utilizes hydraulic drive to form the moment of torsion, replaces the dismouting mode that has the manual work to swing the sledge hammer to through controllable oil transportation device 1 to the power of pneumatic cylinder 4, the moment of torsion size that produces promptly carries out accurate control, only need alone alright accomplish the assembly of bolt 3, reduces work load, and it is safe laborsaving to use, promotes the operating efficiency of the assembly of bolt 3.
Further, the controllable oil transportation device 1 comprises an oil tank 8, a driving device 9 and a variable displacement pump 11 provided with a pressure gauge 10;
the oil tank 8 is connected with an oil filling port of the variable pump 11 through a pipeline, the variable pump 11 is electrically connected with the driving device 9, and two oil conveying ports 22 of the variable pump 11 are respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder 4.
As can be seen from the above description, the controllable oil transportation device 1 specifically uses the variable displacement pump 11 as a main control unit, and can accurately control the oil amount, and further control the torque of the hydraulic cylinder 4, so as to meet the requirements of actual operation.
Further, the controllable oil transportation device 1 further comprises a main control device and a control switch 12;
the main control device is electrically connected with the driving device 9, the control switch 12 and the pressure gauge 10 respectively.
It can be known from the above description that the main control device is arranged on the controllable oil transportation device 1, so that the centralized control of each electric device is facilitated, the operation difficulty of the device is reduced, the data of the pressure gauge 10 can be recorded in real time, and the operation personnel can be helped to smoothly complete the assembling process of the bolt 3.
Further, still include control handle 13, control handle 13 with master control set communication connection.
As can be seen from the above description. The control handle 13 is used for remote regulation and control, so that one person can conveniently complete the operation flow of assembling the whole bolt 3. Manpower resources are saved, and the operation efficiency is improved.
Further, the power section also comprises a rotary joint 14 and two quick joints 15;
the low-pressure oil suction port and the high-pressure oil outlet of the hydraulic cylinder 4 are respectively connected with the two quick connectors 15 through the rotary joint 14, and the two quick connectors 15 are respectively connected with the two oil delivery ports 22 of the variable displacement pump 11 through pipelines.
As can be seen from the above description, the rotary joint 14 and the quick coupling 15 have good sealing performance, so as to ensure that the oil in the oil tank 8 is conveyed into the hydraulic cylinder 4 without errors, improve the safety performance of the system in use, and have convenient use.
Further, the variable displacement pump 11 is provided with a high-pressure relief valve 16 and a low-pressure relief valve 17.
From the above description, the high-pressure overflow valve 16 and the low-pressure overflow valve 17 can reasonably control the flow, and have a safety protection effect.
Further, the support structure is used for supporting the fixing part.
From the above description, it can be known that the design bearing structure can bear the weight of fixed part to alleviate operating personnel's the work degree of difficulty, convenient to use improves the efficiency of 3 assemblies of bolt.
Further, the support structure comprises two clamping screws 18 and a support plate in a U-shape;
all be provided with a screw thread through-hole on two vertical portions 19 of backup pad, two the screw thread through-hole has set one respectively clamp screw 18, two the nut orientation of clamp screw 18 is opposite and length all is greater than vertical portion 19's thickness, the horizontal portion 20 of backup pad is used for supporting the fixed part.
As can be seen from the above description, the supporting structure specifically uses the transverse portion 20 of the supporting plate as a supporting body, and uses the screws on the two vertical plates as clamping devices, so as to be mounted on some wall bodies in a clamping manner, and form a supporting platform for supporting the fixing portion.
Further, the combined bolt 21 is also included;
the power part and the fixing part are fixedly connected through the combined bolt 21.
As can be seen from the above description, the power unit and the fixing unit are connected by the combination bolt 21, which has a simple structure and is easy to assemble and disassemble.
Further, the annular ratchet 6 is a variable diameter ratchet.
From the above description, the variable diameter ratchet can flexibly change the size of the inner ring of the variable diameter ratchet to adapt to screws with different sizes, so that the application range of the assembling equipment is wider.
The utility model discloses a novel bolt rigging equipment is applicable to the applied scene of bolt assembly, and following combination concrete embodiment specifically explains:
referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
a novel bolt assembling device is shown in figure 1 and comprises a controllable oil conveying device 1, a combined bolt 21, a power part and a fixing part detachably connected with the power part. Wherein, the power part and the fixing part are fixedly connected through a combined bolt 21. The power part comprises a hydraulic cylinder 4 and a swing arm 5, and the fixed part comprises an annular ratchet wheel 6 and a reaction force arm 7. Pneumatic cylinder 4 and the reaction arm of force 7 fixed connection, annular ratchet 6 rotationally sets up on the reaction arm of force 7, and the one end of swing arm 5 is provided with the pawl, and pawl and annular ratchet 6 meshing are connected, and the other end of swing arm 5 rotates with the piston rod 2 of pneumatic cylinder 4 to be connected, and it specifically chooses for use the round pin axle as rotation center. The controllable oil conveying device 1 is respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder 4, and the annular ratchet 6 is used for being sleeved on the bolt 3.
In this embodiment, as shown in fig. 2, a new bolt assembling apparatus is used as follows:
when the bolt 3 needs to be disassembled and assembled, an operator sleeves the annular ratchet wheel 6 on the fixing part on the head part of the bolt 3;
then the controllable oil conveying device 1 is started to convey oil to the hydraulic cylinder 4, so that the piston rod 2 of the hydraulic cylinder 4 moves; because the piston rod 2 is rotationally connected with one end of the swing arm 5, the swing arm 5 is driven to rotate by the motion of the piston rod 2; the rotation of the swing arm 5 drives the pawl to act, so that the ratchet wheel rotates, and the generated torque force twists the bolt 3 open.
In the present embodiment, the annular ratchet 6 is a variable diameter ratchet, which can be flexibly adjusted to fit bolts 3 of different sizes. Moreover, the distance from the annular ratchet 6 to the edge of the fixing part can be designed according to actual requirements, and if the distance between the bolt 3 to be actually disassembled and assembled and the surrounding side wall is less than or equal to 20mm, the distance from the annular ratchet 6 to the edge of the fixing part is correspondingly designed to be 20mm, so that a large enough torque can be obtained in actual use.
Referring to fig. 1, a second embodiment of the present invention is:
on the basis of the first embodiment, as shown in fig. 1, a novel bolt assembling device 1 comprises an oil tank 8, a main control device, a control switch 12, a control handle 13, a driving device 9 and a variable pump 11 provided with a pressure gauge 10. The oil tank 8 is connected with an oil filling port of the variable pump 11 through a pipeline, the variable pump 11 is electrically connected with the driving device 9, and two oil conveying ports 22 of the variable pump 11 are respectively connected with a low-pressure oil suction port and a high-pressure oil outlet of the hydraulic cylinder 4 through pipelines. The main control device is respectively and electrically connected with the driving device 9, the control switch 12 and the pressure gauge 10. The control handle 13 is in communication connection with the main control device. The variable displacement pump 11 is provided with a high-pressure relief valve 16 and a low-pressure relief valve 17.
In this embodiment, the driving device 9 may be a motor. When actually carrying out bolt 3 assembly, operating personnel accessible control switch 12 starts variable pump 11, and operation control handle 13 remote control drive arrangement 9, and then the oil output of control variable pump 11 realizes the power size control to pneumatic cylinder 4. Furthermore, the controllable oil transportation device 1 of the present embodiment can also be moved by placing the device in a small cart or adding rollers at the bottom of the oil tank 8, so as to cooperate with an operator to go to different installation positions of the bolts 3 for dismounting and mounting operations.
In this embodiment, the power section further comprises a rotary joint 14 and two quick joints 15. Wherein, the low-pressure oil suction port and the high-pressure oil outlet of the hydraulic cylinder 4 are respectively connected with two quick connectors 15 through rotary joints 14, and the two quick connectors 15 are respectively connected with two oil delivery ports 22 of the variable displacement pump 11 through pipelines.
Referring to fig. 3, a third embodiment of the present invention is:
on the basis of the first or second embodiment, as shown in fig. 3, the novel bolt assembling device further comprises a supporting structure for supporting the fixing part. The support structure comprises two clamping screws 18 and a support plate in the shape of a U. All be provided with a screw thread through-hole on two vertical portions 19 of backup pad, two screw thread through-holes set respectively one clamping screw 18, and the nut orientation of two clamping screws 18 is opposite and length all is greater than the thickness of vertical portion 19, and horizontal portion 20 of backup pad is used for supporting the fixed part.
In this embodiment, as shown in fig. 3, the clamping screws 18 on the two vertical portions 19 approach each other when rotating, so as to achieve the clamping effect, and provide a supporting platform for the assembling device, so as to solve the problem that the assembling device needs to be suspended.
To sum up, the utility model discloses a novel bolt rigging equipment cooperatees through pneumatic cylinder, swing arm and annular ratchet, utilize hydraulic drive to form the moment of torsion, replace the dismouting mode that current manual work swung the sledgehammer, and through mainly by the variable pump, the oil tank, the controllable oil transportation device who constitutes with drive arrangement to the power of pneumatic cylinder, the moment of torsion size that produces promptly carries out accurate control, set the brake valve lever that can long-rangely carry out the control, still be provided with and press from both sides tight fixed bearing structure with the help of clamping screw, realize only need alone alright accomplish the bolt assembly, reduce work load, it is safe laborsaving to use, promote the operating efficiency of bolt assembly.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. The novel bolt assembling equipment is characterized by comprising a controllable oil conveying device, a power part and a fixing part detachably connected with the power part, wherein the power part comprises a hydraulic cylinder and a swing arm, and the fixing part comprises an annular ratchet wheel and a reaction force arm;
the hydraulic cylinder is fixedly connected with the reaction force arm, the annular ratchet wheel is rotatably arranged on the reaction force arm, one end of the swing arm is provided with a pawl, the pawl is meshed with the annular ratchet wheel, and the other end of the swing arm is rotatably connected with a piston rod of the hydraulic cylinder;
the controllable oil conveying device is respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder, and the annular ratchet wheel is used for being sleeved on the bolt.
2. The novel bolt assembling equipment is characterized in that the controllable oil delivery device comprises an oil tank, a driving device and a variable pump provided with a pressure gauge;
the oil tank is connected with an oil filling port pipeline of the variable pump, the variable pump is electrically connected with the driving device, and two oil conveying ports of the variable pump are respectively connected with a low-pressure oil suction port and a high-pressure oil outlet pipeline of the hydraulic cylinder.
3. The novel bolt assembling equipment according to claim 2, wherein the controllable oil transportation device further comprises a main control device and a control switch;
the main control device is electrically connected with the driving device, the control switch and the pressure gauge respectively.
4. The novel bolt assembling device of claim 3, further comprising a control handle, wherein the control handle is in communication connection with the main control device.
5. The novel bolt assembling device according to claim 2, wherein the power part further comprises a rotary joint and two quick joints;
the low-pressure oil suction port and the high-pressure oil outlet of the hydraulic cylinder are respectively connected with the two quick-coupling pipelines through the rotary joint, and the two quick-couplings are respectively connected with the two oil delivery port pipelines of the variable displacement pump.
6. The novel bolt assembling device according to claim 2, wherein a high-pressure overflow valve and a low-pressure overflow valve are arranged on the variable displacement pump.
7. The novel bolt assembling apparatus according to claim 1, further comprising a support structure for supporting said fixing portion.
8. The novel bolt assembly machine of claim 7, wherein the support structure comprises two clamping screws and a U-shaped support plate;
all be provided with a screw thread through-hole on two vertical portions of backup pad, two the screw thread through-hole sets one respectively clamp screw, two clamp screw's nut opposite orientation and length all are greater than the thickness of vertical portion, the horizontal portion of backup pad is used for supporting the fixed part.
9. The novel bolt assembling device of claim 1, further comprising a combination bolt;
the power part and the fixing part are fixedly connected through the combined bolt.
10. The novel bolt assembling device according to claim 1, wherein the annular ratchet is a variable-diameter ratchet.
CN202123340751.2U 2021-12-28 2021-12-28 Novel bolt assembly equipment Active CN217255933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123340751.2U CN217255933U (en) 2021-12-28 2021-12-28 Novel bolt assembly equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123340751.2U CN217255933U (en) 2021-12-28 2021-12-28 Novel bolt assembly equipment

Publications (1)

Publication Number Publication Date
CN217255933U true CN217255933U (en) 2022-08-23

Family

ID=82890563

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123340751.2U Active CN217255933U (en) 2021-12-28 2021-12-28 Novel bolt assembly equipment

Country Status (1)

Country Link
CN (1) CN217255933U (en)

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