Novel dry quenching bulkhead gate oil cylinder structure
By introducing observation holes and elongated slots into the hydraulic cylinder structure of the dry quenching flat gate, combined with the design of the limit plate and telescopic rod, the problem of inaccurate gate opening judgment was solved, ensuring the stable opening and closing of the gate and avoiding operational interference with the dry quenching system.
Patent Information
- Application Number
- CN202520723926.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-17
AI Technical Summary
The existing dry quenching flat plate gate cylinder structure cannot accurately determine the gate opening degree, resulting in slow opening and closing actions or failure to close completely, which affects the normal operation of the dry quenching system.
A novel dry quenching coke flat gate cylinder structure was designed. The gate opening position can be accurately checked by the cooperation of the observation hole and the elongated groove on the piston rod. The stability of the piston rod movement is ensured by the cooperation of the limit plate and the telescopic rod.
This enables accurate judgment of the gate opening, preventing coke from failing to pass through due to gate malfunctions, ensuring the stable operation of the dry quenching system, and improving the stability of gate opening and closing.
Smart Images

Figure CN223854560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dry quenching equipment technical field, concretely relates to a novel dry quenching flat gate oil cylinder structure. BACKGROUND
[0002] Dry quenching discharge flat gate is one of the main equipment of the discharge system, and the flat gate is installed at the bottom outlet of the dry quenching furnace. During normal production, the flat gate is completely opened. When annual repair or the coke discharge device needs to be overhauled and troubles are handled, the flat gate needs to be closed to prevent the coke in the bottom of the dry quenching furnace from falling down, and at the same time, it plays a certain role in isolating the circulating gas. The movement of the flat gate is completed by driving the screw rod in the screw nut pair with the electric head, and the screw rod and the screw nut pair belong to the screw fitting structure.
[0003] During on-site use, the dry quenching flat gate oil cylinder lifting head is installed on the inner side of the gate, and the opening degree of the flat gate cannot be accurately judged during the production process. When the oil cylinder cannot provide sufficient pressure to push the flat gate after unloading, the opening and closing movement of the flat gate will be slow or the flat gate cannot be completely closed or opened, thereby affecting the normal operation of the dry quenching system. Therefore, the above problems need to be solved. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to provide a novel dry quenching flat gate oil cylinder structure. Through the cooperation of the observation hole I, the observation hole II and the long slot on the piston rod, the gate opening degree can be accurately checked, and the coke cannot pass through the gate abnormally, thereby affecting the normal operation of the dry quenching system.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a novel dry quenching flat gate oil cylinder structure of the utility model, the innovation point of which lies in that it comprises a piston rod, a limiting disc, a connecting pipe, a first flange and a connecting rod. A through hole matched with the connecting rod is vertically embedded and penetrates through the left side wall of the flat gate relative to the position of the gate plate, and the right end of the connecting rod is screw-fixed with the gate plate, the left end coaxially penetrates out of the flat gate through the through hole, and the right end of the piston rod is screw-fixed with the first flange; a connecting pipe is coaxially sleeved on the right half of the piston rod, the connecting pipe is coaxially sleeved on the connecting rod, the right end of the connecting pipe is screw-fixed with the left outer wall of the flat gate, and the left end is screw-fixed with the middle position of the right side surface of the limiting disc arranged vertically and longitudinally; the piston rod coaxially penetrates through the limiting disc, the connecting pipe is used as a cylinder body for horizontal transverse reciprocating movement, and the connecting rod drives the gate plate to move horizontally in the flat gate.
[0006] Preferably, the inner diameter of the connecting pipe is greater than the diameter of the first flange, and the connecting pipe is coaxially sleeved on the piston rod and does not interfere with the horizontal transverse movement of the piston rod driven by the connecting rod through the first flange.
[0007] Preferably, the diameter of the through hole is greater than the diameter of the first flange and less than the inner diameter of the connecting pipe.
[0008] Preferably, the second flange is further provided; the second flange is coaxially sleeved and fixed at the left end and the right end of the outer circumferential surface of the connecting pipe, and the left side surface of the left side second flange is flush with the left end surface of the connecting pipe, and the right side surface of the right side second flange is flush with the right end surface of the connecting pipe; the left end of the connecting pipe is screw-fixed with the middle position of the right side surface of the limiting disc through the second flange, and the right end is screw-fixed with the corresponding position of the left outer wall of the flat gate through the second flange, and the connecting pipe ensures that the through hole is coaxially covered in it.
[0009] Preferably, a circular sliding groove matched with the piston rod is vertically embedded in the left side surface of the limiting disc relative to the position of the piston rod, and the piston rod passes through the limiting disc coaxially and sealingly through the circular sliding groove, and the limiting disc ensures that it does not interfere with the horizontal transverse movement of the piston rod.
[0010] Preferably, the connecting plate and the telescopic rod are further provided; the telescopic rod is horizontally and transversely arranged in front of and behind the limiting disc right side surface and the flat gate left outer wall, and the two telescopic rods are symmetrically arranged in front of and behind the connecting pipe; the outer shell of each telescopic rod is fixedly connected with the corresponding position of the right side surface of the limiting disc and the corresponding position of the left outer wall of the flat gate, and the telescopic end of each telescopic rod extends horizontally and transversely out of the left side surface of the limiting disc and is fixedly connected with the right side surface of the vertically and longitudinally arranged connecting plate; the connecting plate is coaxially sleeved on the piston rod, and through the cooperation of the telescopic rod and the connecting plate, the stability of the horizontal transverse movement of the piston rod is ensured.
[0011] Preferably, the first hydraulic pipe is vertically communicated at the left end of the outer circumferential surface of the piston rod relative to the left side of the connecting plate, and the second hydraulic pipe is vertically communicated at the middle right position of the outer circumferential surface of the piston rod relative to the middle position of the connecting plate and the limiting disc, and then through the alternating cooperation of the first hydraulic pipe and the second hydraulic pipe, the horizontal transverse movement of the piston rod is driven, and the limiting disc ensures that the second hydraulic pipe does not interfere with the horizontal movement of the piston rod.
[0012] Preferably, a long strip-shaped slot is coaxially embedded on the outer circumferential surface of the piston rod relative to the left half of the connecting pipe, the cross section of the long strip-shaped slot is a sector, and the long strip-shaped slot is coaxially arranged on the piston rod, the long strip-shaped slot is arranged along the length direction of the piston rod, and the left end of the long strip-shaped slot is located at the position of the limiting disc, and the right end of the long strip-shaped slot is located at the middle position of the connecting pipe; a plurality of observation holes I are vertically and coaxially embedded on the outer circumferential surface of the connecting pipe relative to the right side of the second flange on the left side of the connecting pipe, and the observation holes I are arranged along the circumferential direction of the connecting pipe; a plurality of observation holes II are vertically and coaxially embedded on the outer circumferential surface of the connecting pipe relative to the left side of the second flange on the right side of the connecting pipe, and the observation holes II are arranged along the circumferential direction of the connecting pipe; the distance between each observation hole II and the corresponding observation hole I corresponds to the moving distance of the long strip-shaped slot along with the piston rod, and the opening degree of the flat gate can be observed through the cooperation of the observation holes II and the long strip-shaped slot.
[0013] The utility model discloses the beneficial effects of:
[0014] (1) the utility model discloses the cooperation of observation hole I, observation hole II and the long strip-shaped slot on the piston rod can accurately check the gate opening degree in place, avoid the coke from being unable to normally pass through the gate due to the abnormal opening and closing of the gate, thereby influence the normal operation of dry quenching coke system occurs.
[0015] (2) the utility model discloses the cooperation of telescopic link, connecting plate and limiting disc can avoid the piston rod from appearing the shaking and deviation phenomenon in the horizontal motion, thereby ensuring the stability of the piston rod horizontal motion through the connecting rod drive gate. DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment will be simply introduced below, and obviously, the drawings in the following description are only some embodiments in the utility model, and other drawings can be obtained according to these drawings without the creative labor for the ordinary skilled in the art. Fig. 1 It is a structure schematic view of the utility model dry quenching flat gate oil cylinder structure.
[0017] Fig. 2 It is a split state schematic view of the utility model limiting disc and connecting pipe.
[0018] Fig. 3 It is a sectional view of the utility model connecting pipe.
[0019] Among them, 1-flat gate; 2-piston rod; 3-connecting pipe; 4-observation hole I; 5-observation hole II; 6-limiting plate; 7-connecting rod; 8-long strip groove; 9-telescopic rod; 10-connecting plate; 11-first hydraulic pipe; 12-second hydraulic pipe. Detailed Implementation
[0020] The technical solution of this utility model will be clearly and completely described below through specific embodiments.
[0021] This utility model discloses a novel dry quenching coke flat plate gate cylinder structure, comprising a piston rod 2, a limiting disc 6, a connecting pipe 3, a first flange, and a connecting rod 7; the specific structure is as follows: Figs. 1-3 As shown, on the left side wall of the horizontally arranged flat gate 1, a through hole matching the connecting rod 7 is vertically embedded and inserted relative to the position of its gate plate. The right end of the connecting rod 7 is screwed and fixed to the gate plate of the flat gate 1, and its left end passes through the through hole and extends to the left through the flat gate 1, and is screwed and fixed to the right end of the horizontally arranged piston rod 2 through the first flange. A connecting pipe 3 is also coaxially sleeved on the right half of the piston rod 2. The connecting pipe 3 is coaxially sleeved on the connecting rod 7, and its right end is screwed and fixed to the left outer wall of the flat gate 1. Its left end is screwed and fixed to the middle position of the right side of the vertically arranged limiting plate 6. The piston rod 2 passes through the limiting plate 6 coaxially, and it uses the connecting pipe 3 as a cylinder to make horizontal reciprocating motion, and drives the gate plate to move horizontally within the flat gate 1 through the connecting rod 7.
[0022] The inner diameter of the connecting pipe 3 is larger than the diameter of the first flange, and the connecting pipe 3 is coaxially spaced on the piston rod 2, without interfering with the horizontal lateral movement of the connecting rod 7 driven by the piston rod 2 through the first flange; the diameter of the through hole is larger than the diameter of the first flange and smaller than the inner diameter of the connecting pipe 3.
[0023] like Figs. 1-3 As shown, a second flange is coaxially sleeved and fixed on the outer circumference of the connecting pipe 3 at its left and right ends, respectively. The left side of the second flange on the left side is flush with the left end face of the connecting pipe 3, and the right side of the second flange on the right side is flush with the right end face of the connecting pipe 3. The left end of the connecting pipe 3 is screwed and fixed to the middle position of the right side face of the limiting plate 6 through the second flange, and its right end is screwed and fixed to the corresponding position of the left outer wall of the flat gate 1 through the second flange, ensuring that the connecting pipe 3 coaxially covers the through hole inside it.
[0024] like Figs. 1-3 As shown, a circular groove matching the piston rod 2 is vertically embedded and opened on the left side of the limiting plate 6 relative to the position of the piston rod 2. The piston rod 2 passes through the limiting plate 6 in a coaxial and sealed manner through the circular groove, ensuring that the limiting plate 6 does not interfere with the horizontal movement of the piston rod 2.
[0025] As Figs. 1-3 shown, between the right side of the limiting disc 6 and the left outer wall of the flat gate 1, a telescopic rod 9 is horizontally and transversely arranged in front and back, and two telescopic rods 9 are symmetrically arranged in front and back relative to the connecting pipe 3; the outer shell of each telescopic rod 9 is fixedly connected with the corresponding position of the right side of the limiting disc 6 and the corresponding position of the left outer wall of the flat gate 1 respectively, and the telescopic end thereof extends out of the left side of the limiting disc 6 horizontally and transversely, and is fixedly connected with the right side of the vertically and longitudinally arranged connecting plate 10; the center of the connecting plate 10 is coaxially sleeved on the piston rod 2, and through the cooperation of the telescopic rod 9 and the connecting plate 10, the stability of the horizontal transverse movement of the piston rod 2 is ensured.
[0026] As Figs. 1-3 shown, a first hydraulic pipe 11 is vertically and continuously arranged on the outer circumferential surface of the piston rod 2 at the left end position thereof relative to the left side of the connecting plate 10, and a second hydraulic pipe 12 is vertically and continuously arranged on the outer circumferential surface of the piston rod 2 at the right position thereof relative to the middle position of the connecting plate 10 and the limiting disc 6, and then through the alternating cooperation of the first hydraulic pipe 11 and the second hydraulic pipe 12, the piston rod 2 is driven to move horizontally and transversely, and it is ensured that the limiting disc 6 does not interfere with the horizontal movement of the second hydraulic pipe 12 along with the piston rod 2.
[0027] The utility model discloses a long strip slot 8 is further coaxially embedded on the outer circumferential surface of the piston rod 2 relative to the left half of the connecting pipe 3, and the section of the long strip slot 8 is a sector, and is coaxially arranged with the piston rod 2, as Figs. 1-3 shown, the long strip slot 8 is arranged along the length direction of the piston rod 2, and the left end thereof is located at the position of the limiting disc 6, and the right end thereof is located at the middle position of the connecting pipe 3; a plurality of observation holes I 4 are vertically and continuously embedded and penetrated in the circumferential direction of the outer circumferential surface of the connecting pipe 3 at the left end thereof relative to the right side of the left second flange in sequence and at intervals, and then through the cooperation of the observation hole I 4 and the long strip slot 8, the opening degree of the flat gate 1 is observed; a plurality of observation holes II 5 are vertically and continuously embedded and penetrated in the circumferential direction of the outer circumferential surface of the connecting pipe 3 at the right end thereof relative to the left side of the right second flange in sequence and at intervals, and the distance between each observation hole II 5 and the corresponding observation hole I 4 needs to correspond to the moving distance of the long strip slot 8 along with the piston rod 2, and then through the cooperation of the observation hole II 5 and the long strip slot 8, the closing condition of the flat gate 1 is observed.
[0028] The working principle of the utility model is as follows:
[0029] When the gate plate of the flat gate 1 needs to be closed, the piston rod 2 is controlled to move horizontally to the right, and the gate plate is driven to move horizontally to the right through the connecting rod 7, and then the gate closing action is carried out, and in this process, the position of the long strip slot 8 is observed through the observation hole II 5, so that whether the gate is closed in place is judged;
[0030] When the flat gate 1 needs to be opened, the control piston rod 2 moves horizontally to the left, and drives the gate horizontally to the left through the connecting rod 7, thereby performing the gate opening action, and in the process, the position of the long slot 8 is observed through the observation hole I 4, so as to judge whether the gate opening degree is in place.
[0031] The utility model discloses the beneficial effect:
[0032] (1) the utility model discloses the cooperation of observation hole I 4, observation hole II 5 and the long slot 8 on piston rod 2 can accurately check the gate opening degree in place, avoid the coke from being unable to normally pass through the gate due to the abnormal opening and closing of the gate, thereby affecting the normal operation of the dry quenching coke system to occur.
[0033] (2) the utility model discloses the cooperation of telescopic link 9, connecting plate 10 and limit disc 6 can avoid the piston rod 2 from appearing the shaking and the deviation phenomenon in the horizontal motion process, thereby ensuring the stability of the piston rod 2 horizontal motion through connecting rod 7 drive gate.
[0034] The above-mentioned embodiment is only the preferred embodiment of the utility model and is not limited to the design concept and scope of the utility model, and various modifications and improvements of the technical scheme of the utility model made by the ordinary engineering technicians in the art without departing from the design concept of the utility model shall fall within the protection scope of the utility model, and the technical content of the utility model claimed for protection has been recorded in the technical requirements.
Claims
1. A novel dry quenching flat gate oil cylinder structure, characterized in that: The piston rod, the limiting disc, the connecting pipe, the first flange and the connecting rod; the left side wall of the horizontally transversely arranged flat gate is vertically embedded with a through hole matching the connecting rod, and the right end of the connecting rod is screw-fixed with the gate plate of the flat gate, and the left end of the connecting rod is coaxially outward through the through hole of the flat gate, and the right end of the piston rod is screw-fixed with the first flange; the connecting pipe is coaxially sleeved on the connecting rod, and the right end of the connecting pipe is screw-fixed with the left outer wall of the flat gate, and the left end of the connecting pipe is screw-fixed with the middle position of the right side of the limiting disc; the piston rod is coaxially through the limiting disc, and the connecting pipe is used as a cylinder for horizontal transverse reciprocating motion, and the gate plate is driven by the connecting rod to move horizontally in the flat gate.
2. A novel dry quenching flat gate cylinder structure according to claim 1, characterized in that: The inner diameter of the connecting pipe is larger than the diameter of the first flange, and the connecting pipe is coaxially spaced on the piston rod, and does not interfere with the horizontal transverse movement of the piston rod driven by the first flange.
3. A novel dry quenching flat gate cylinder structure according to claim 1, characterized in that: The diameter of the through hole is larger than the diameter of the first flange, and smaller than the inner diameter of the connecting pipe.
4. A novel dry quenching flat gate cylinder structure according to claim 1, characterized in that: The second flange is further included; the second flange is coaxially sleeved and fixed on the outer circumferential surface of the connecting pipe at the left end and the right end positions, and the left side of the second flange on the left side is flush with the left end surface of the connecting pipe, and the right side of the second flange on the right side is flush with the right end surface of the connecting pipe; the left end of the connecting pipe is screw-fixed with the middle position of the right side of the limiting disc through the second flange, and the right end of the connecting pipe is screw-fixed with the corresponding position of the left outer wall of the flat gate through the second flange, and the connecting pipe is coaxially covered in the through hole.
5. A novel dry quenching flat gate cylinder structure according to claim 1, characterized in that: The left side of the limiting disc is vertically embedded with a circular slide groove matching the piston rod, and the piston rod is coaxially sealed through the limiting disc through the circular slide groove, and the limiting disc does not interfere with the horizontal transverse movement of the piston rod.
6. A novel dry quenching flat gate cylinder structure according to claim 1, characterized in that: The connecting plate and the telescopic rod are further included; the telescopic rod is horizontally transversely arranged between the right side of the limiting disc and the left outer wall of the flat gate, and the two telescopic rods are symmetrically arranged relative to the connecting pipe; the outer shell of each telescopic rod is fixedly connected with the corresponding position of the right side of the limiting disc and the corresponding position of the left outer wall of the flat gate, and the telescopic end is horizontally transversely extended out of the left side of the limiting disc, and is fixedly connected with the right side of the connecting plate; the connecting plate is coaxially sleeved on the piston rod, and the stability of the horizontal transverse movement of the piston rod is ensured by the cooperation of the telescopic rod and the connecting plate.
7. A novel dry quenching flat gate cylinder structure according to claim 6, characterized in that: The first hydraulic pipe is vertically communicated on the outer circumferential surface of the piston rod relative to the left end position of the connecting plate, and the second hydraulic pipe is vertically communicated on the outer circumferential surface of the piston rod relative to the middle position of the connecting plate and the limiting disc, and the alternating cooperation of the first hydraulic pipe and the second hydraulic pipe drives the horizontal transverse movement of the piston rod and ensures that the limiting disc does not interfere with the horizontal movement of the second hydraulic pipe.
8. A novel dry quenching flat gate cylinder structure according to claim 4, characterized in that: The long strip-shaped groove is coaxially embedded on the outer circumferential surface of the piston rod relative to the left half of the connecting pipe, and the cross section of the long strip-shaped groove is a sector, and the long strip-shaped groove is coaxially arranged with the piston rod, and the long strip-shaped groove is arranged along the length direction of the piston rod, and the left end of the long strip-shaped groove is located at the position of the limiting disc, and the right end of the long strip-shaped groove is located at the middle position of the connecting pipe; a plurality of observation holes I are vertically and sequentially embedded on the outer circumferential surface of the connecting pipe relative to the right side of the left second flange, and the observation holes I are arranged along the circumferential direction of the connecting pipe, and the observation holes I are arranged in the long strip-shaped groove, and the observation holes I are used to observe the opening degree of the flat gate; a plurality of observation holes II are vertically and sequentially embedded on the outer circumferential surface of the connecting pipe relative to the left side of the right second flange, and the observation holes II are arranged along the circumferential direction of the connecting pipe, and the observation holes II are arranged in the long strip-shaped groove, and the observation holes II are used to observe the closing degree of the flat gate.