Tripping hook falling stopping device of inclined shaft lining trolley

Abstract

The utility model discloses a tripping hook anti-falling device of an inclined shaft lining trolley, which comprises a traction rod arranged on a pulling and hoisting cross beam in a sliding and penetrating manner and two anti-falling hooks rotationally arranged at the bottom of the lining trolley, and the bottom of the lining trolley is rotationally provided with an unhooking lever used for hooking the bottoms of the anti-falling hooks; the bottom of the lining trolley is provided with a crank rocker arm assembly used for restraining the rotation angle of the unhooking lever, the rear end of the traction rod is connected with a force transmission plate and a force transmission rod, a traction rod reset spring is arranged between the force transmission plate and the pulling and hoisting cross beam, and the rear end of the force transmission rod is connected with a transmission mechanism used for driving the crank rocker arm assembly to act. The device is reasonable in structural design, when traction force disappears, the traction rod reset spring can drive the traction rod to reset under the action of elastic force, the dowel bar drives the crank rocker arm assembly to act through the transmission mechanism, constraint on the unhooking lever is relieved, and the anti-falling hook is pressed and hooked on a lower chord of a bottom die under the action of self weight. And the lining trolley can be effectively prevented from falling.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel construction technical field, concretely relates to a decoupling hook falling stop device of inclined shaft lining trolley. BACKGROUND

[0002] Under the background of explosive growth of new energy, pumped storage has irreplaceable supporting role for maintaining the safe and stable operation of power grid and building new power system with new energy as the main body. Pumped storage power station is composed of upper reservoir, water diversion system, plant system, tail water system and lower reservoir, wherein the tail water system is composed of tail water tunnel, tail water inclined shaft and inlet and outlet of lower reservoir. The tail water inclined shaft is in the form of reinforced concrete lining, and the Chinese patent with the authorization announcement number CN 115182753 B discloses a inclined shaft S bend full-face lining formwork system and lining construction method, wherein it is clear that the lining formwork is composed of bottom form, side form and top form. When the lining trolley is used for the turnover of the formwork, the lining trolley needs to pass through the center of the formwork. Therefore, the mode of implanting steel bars on the primary support surface to prevent the lining trolley from falling is not applicable; when the lining trolley is pulled by the steel wire rope, once the traction force disappears unexpectedly, the lining trolley has the risk of sliding in the inclined shaft, which has great safety hazard. Therefore, a decoupling hook falling stop device of inclined shaft lining trolley needs to be proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the utility model lies in providing a decoupling hook falling stop device of inclined shaft lining trolley in view of the defects in the prior art, which has reasonable structure design, the traction rod is slidably arranged on the pull-in beam, the force transmission plate and the force transmission rod are sequentially arranged at the rear end of the traction rod, the traction rod reset spring is arranged between the force transmission plate and the pull-in beam, the traction rod reset spring can drive the traction rod to reset under the elastic force when the traction force disappears, the force transmission rod drives the crank rocker assembly to act through the transmission mechanism, the constraint on the decoupling lever is released, the falling stop hook is pressed down under the dead weight and is hooked on the lower chord of the bottom form, and the lining trolley can be effectively prevented from falling.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a decoupling hook falling stop device of inclined shaft lining trolley, characterized by comprising a traction rod slidably arranged on a pull-in beam at the front end of the lining trolley and two falling stop hooks rotatably installed at the bottom of the lining trolley through a same hook shaft, the bottom of the lining trolley is rotatably provided with a decoupling lever for being hooked at the bottom of the falling stop hook, and the bottom of the lining trolley is provided with a crank rocker assembly for constraining the rotation angle of the decoupling lever.

[0005] The front end of the traction rod extends to the front side of the pull beam and is connected with a traction lug, the rear end of the traction rod passes through the pull beam and is connected with a force transmission plate, a traction rod return spring is arranged between the force transmission plate and the pull beam, the traction rod return spring is sleeved on the traction rod, the rear end of the traction rod passes through the force transmission plate and is connected with a force transmission rod, the rear end of the force transmission rod is connected with a transmission mechanism for driving the crank rocker assembly to act and releasing the constraint of the unhooking lever.

[0006] The traction rod extends to the rear side of the force transmission plate and is provided with a plurality of stiffening plates between the force transmission plate.

[0007] The force transmission rod is fixed at the rear end of the traction rod and coaxially arranged.

[0008] The transmission mechanism comprises a transmission shaft rotatably installed at the front end of the lining trolley, the transmission shaft and the force transmission rod are perpendicular to each other, and the upper end of the transmission shaft is in transmission connection with the force transmission rod through a gear and rack transmission mechanism.

[0009] The gear and rack transmission mechanism comprises an upper gear fixed on the upper end of the transmission shaft and a rack fixed on the force transmission rod and engaged with the upper gear.

[0010] The lower end of the transmission shaft is connected with the crank rocker assembly through a gear set, the gear set comprises a first lower gear fixedly installed at the lower end of the transmission shaft and a second lower gear engaged with the first lower gear.

[0011] The front end of the lining trolley is fixedly installed with a vertical installation plate for installing the crank rocker assembly, the crank rocker assembly comprises a force reduction lever for limiting the unhooking lever and a rocker for limiting the force reduction lever, the unhooking lever and the force reduction lever are rotatably installed at the front side of the corresponding vertical installation plate, the vertical installation plate is provided with a horizontal sliding groove for sliding the rocker, the upper end of the rocker is rotatably installed with a crank connecting rod, and the other end of the crank connecting rod is eccentrically hinged to the second lower gear.

[0012] The front end of the lining trolley is fixedly installed with a gear installation plate for installing the gear set, the vertical installation plate and the gear installation plate are fixedly connected, and the first lower gear and the second lower gear are rotatably installed on the gear installation plate.

[0013] The decoupling hook falling stopping device of the inclined shaft lining trolley has the following advantages compared with the prior art.

[0014] The decoupling hook falling stopping device of the inclined shaft lining trolley has the following advantages compared with the prior art.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model discloses a structure design is reasonable, through making traction rod slidingly arranged on the pull -in crossbeam, and setting transmission plate and transmission rod in the rear end of traction rod in proper order, and setting traction rod return spring between transmission plate and pull -in crossbeam, when traction disappears, traction rod return spring can drive traction rod to reset under the elasticity, and then make transmission rod drive crank rocker assembly to act through transmission mechanism, release the constraint to decoupling lever, make decoupling hook press down under the weight and hook in the bottom chord of bottom die, can effectively prevent lining trolley from falling.

[0017] The technical scheme of the utility model will be described in further detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model.

[0019] Figure 2 It is the installation position schematic diagram of the utility model on lining trolley.

[0020] Figure 3 It is the connection structure schematic diagram of crank rocker assembly, decoupling lever and decoupling hook of the utility model.

[0021] Figure 4 It is the connection structure schematic diagram of traction lug, traction rod and transmission plate of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1 - lining trolley; 2 - traction lug;

[0024] 4 - transmission plate; 5 - traction rod return spring; 6 - stiffened plate;

[0025] 22—Lifting beam; 23—Force transmission rod; 24—Gear and rack transmission mechanism;

[0026] 241—Upper gear; 242—Rack; 25—Drive shaft;

[0027] 26—First lower gear; 27—Second lower gear; 28—Crank and connecting rod;

[0028] 29—rocker arm; 291—limiting groove; 30—lateral slide groove;

[0029] 31—Force-reducing lever; 32—Disengagement lever; 33—Anti-fall hook;

[0030] 34—Hook shaft; 35—Vertical mounting plate; 36—Gear mounting plate. Detailed Implementation

[0031] like Figures 1 to 4 As shown, this utility model includes a traction rod 3 that slides through a lifting beam 22 at the front end of the lining trolley 1 and two anti-fall hooks 33 that are rotatably installed at the bottom of the lining trolley 1 via the same hook shaft 34. The bottom of the lining trolley 1 is rotatably provided with a release lever 32 for hooking onto the bottom of the anti-fall hooks 33. The bottom of the lining trolley 1 is provided with a crank rocker arm assembly for constraining the rotation angle of the release lever 32.

[0032] The front end of the traction rod 3 extends to the front side of the lifting beam 22 and is connected to the traction lug 2. The rear end of the traction rod 3 passes through the lifting beam 22 and is connected to the force transmission plate 4. A traction rod return spring 5 is provided between the force transmission plate 4 and the lifting beam 22. The traction rod return spring 5 is sleeved on the traction rod 3. The rear end of the traction rod 3 passes through the force transmission plate 4 and is connected to the force transmission rod 23. The rear end of the force transmission rod 23 is connected to a transmission mechanism for driving the crank rocker arm assembly to move and releasing the constraint on the release lever 32.

[0033] In actual use, the traction rod 3 is slidably mounted on the lifting beam 22, and a force transmission plate 4 and a force transmission rod 23 are sequentially installed at the rear end of the traction rod 3. A traction rod return spring 5 is installed between the force transmission plate 4 and the lifting beam 22. When the traction force disappears, the traction rod return spring 5 can drive the traction rod 3 to return to its original position under the elastic force. This causes the force transmission rod 23 to drive the crank rocker arm assembly to move through the transmission mechanism, releasing the constraint on the unhooking lever 32. This allows the anti-fall hook 33 to press down under its own weight and hook onto the lower chord of the bottom formwork, effectively preventing the lining trolley from falling.

[0034] In actual implementation, the transmission shaft 25 comprises an upper transmission shaft and a lower transmission shaft connected through a spline sleeve, the lower end of the upper transmission shaft is arranged in the spline sleeve and the two are connected through spline, and the upper end of the lower transmission shaft is arranged in the spline sleeve and the two are connected through spline.

[0035] In actual implementation, the front end of the lining trolley 1 is provided with a plurality of lug plates from top to bottom for rotationally mounting the transmission shaft 25.

[0036] In the embodiment, a plurality of stiffening plates 6 are arranged between the segment of the drawbar 3 extending to the rear side of the force transmission plate 4 and the force transmission plate 4.

[0037] In actual use, the plurality of stiffening plates 6 are uniformly arranged along the circumference of the drawbar 3, and the stiffening plates 6 are perpendicular to the force transmission plate 4.

[0038] In the embodiment, the force transmission rod 23 is fixed at the rear end of the drawbar 3 and coaxially arranged with the drawbar 3.

[0039] In the embodiment, the transmission mechanism comprises a transmission shaft 25 rotationally mounted at the front end of the lining trolley 1, the transmission shaft 25 is perpendicular to the force transmission rod 23, and the upper end of the transmission shaft 25 is drivingly connected to the force transmission rod 23 through a gear and rack transmission mechanism 24.

[0040] In actual use, the lining trolley 1 is fixed with a gear and rack mounting plate for mounting the gear and rack transmission mechanism 24, the bottom of the rack 242 is in close contact with the surface of the gear and rack mounting plate, and the gear and rack mounting plate is perpendicular to the vertical mounting plate 35.

[0041] In the embodiment, the gear and rack transmission mechanism 24 comprises an upper gear 241 fixed at the upper end of the transmission shaft 25 and a rack 242 fixed on the force transmission rod 23 and engaged with the upper gear 241.

[0042] In actual use, the gear and rack mounting plate is provided with a through hole for the transmission shaft 25 to pass through.

[0043] In the embodiment, the lower end of the transmission shaft 25 is connected to the crank rocker assembly through a gear set, the gear set comprises a first lower gear 26 fixedly mounted at the lower end of the transmission shaft 25 and a second lower gear 27 engaged with the first lower gear 26.

[0044] The front end of the lining trolley 1 is fixedly provided with a vertical mounting plate 35 for mounting a crank rocker assembly, the crank rocker assembly comprises a force reduction lever 31 for limiting a disengaging lever 32 and a rocker 29 for limiting the force reduction lever 31, the disengaging lever 32 and the force reduction lever 31 are both rotationally mounted on the front side of the corresponding vertical mounting plate 35, the vertical mounting plate 35 is provided with a transverse sliding groove 30 for sliding the rocker 29, the upper end of the rocker 29 is rotationally mounted with a crank link 28, the other end of the crank link 28 is eccentrically hinged to the second lower gear 27.

[0045] In actual use, the rotation center line of the force reduction lever 31 is eccentrically arranged, thereby making one end of the force reduction lever 31 heavy and the other end light.

[0046] In the embodiment, the front end of the lining trolley 1 is fixedly provided with a gear mounting plate 36 for mounting the gear set, the vertical mounting plate 35 is fixedly connected with the gear mounting plate 36, and the first lower gear 26 and the second lower gear 27 are both rotationally mounted on the gear mounting plate 36.

[0047] In the embodiment, one side of the rocker 29 is provided with a limiting groove 291 for abutting the end of the force reduction lever 31, one end of the force reduction lever 31 abuts in the limiting groove 291, the other end of the force reduction lever 31 abuts on the upper part of one end of the disengaging lever 32, and the other end of the disengaging lever 32 is hooked on the bottom of the stopper hook 33.

[0048] In actual use, the heavy end of the force reduction lever 31 abuts in the limiting groove 291, and the light end of the force reduction lever 31 abuts on the upper part of one end of the disengaging lever 32.

[0049] As shown in the drawings, Figure 4 In the embodiment, the front end of the force transmission plate 4 is provided with a force transmission sleeve 7, the force transmission sleeve 7 is fixedly connected with the force transmission plate 4, the rear side of the pull-hanging beam 22 is fixedly provided with a guide cylinder 8 for guiding the force transmission sleeve 7, the force transmission sleeve 7 is sleeved outside the traction lever reset spring 5, the guide cylinder 8 is sleeved outside the force transmission sleeve 7, and the force transmission sleeve 7 and the guide cylinder 8 are coaxially arranged with the traction lever 3.

[0050] In actual use, the guide cylinder 8 is fixedly arranged on the rear side of the pull-hanging beam 22 through the rib plate.

[0051] The utility model discloses a lining trolley, which comprises a trolley body, a traction rod 3, a force transmission rod 23, a gear rack transmission mechanism 24, a transmission shaft 25, a first lower gear 26, a second lower gear 27, two crank connecting rods 28, two rocker arms 29, a transverse sliding slot 30, a force reduction lever 31, an unhooking lever 32 and a stop falling hook 33.

[0052] It should be noted that when the traction force disappears unexpectedly, a dangerous situation occurs, and after the dangerous situation is handled, the crank connecting rod 28 needs to be manually removed, and then the rocker arm 29, the force reduction lever 31 and the stop falling hook 33 are manually reset, and finally the crank connecting rod 28 is installed.

[0053] In specific implementation, the upper end of the rocker arm 29 and the second lower gear 27 are both provided with mounting shafts, and the two ends of the crank connecting rod 28 are both provided with a sleeve for rotationally sleeving the mounting shafts.

[0054] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any simple modification, change and equivalent structural change made according to the technical essence of the utility model to the above embodiment are still within the protection scope of the technical scheme of the utility model.

Claims

1. A decoupling hook arresting device for an in-slope lining jumbo, characterized in that: The device comprises a traction rod (3) extending through a pull beam (22) at the front end of a lining trolley (1) and two stop hooks (33) rotatably mounted on the bottom of the lining trolley (1) through a same hook shaft (34), the bottom of the lining trolley (1) is rotatably provided with a disengaging lever (32) for hooking the bottom of the stop hook (33), and the bottom of the lining trolley (1) is provided with a crank rocker assembly for limiting the rotation angle of the disengaging lever (32); The front end of the traction rod (3) extends to the front side of the pull beam (22) and is connected with a traction lug (2), the rear end of the traction rod (3) is connected with a force transmission plate (4) after passing through the pull beam (22), the traction rod (3) is sleeved with a traction rod return spring (5) between the force transmission plate (4) and the pull beam (22), the rear end of the traction rod (3) is connected with a force transmission rod (23) after passing through the force transmission plate (4), and the rear end of the force transmission rod (23) is connected with a transmission mechanism for driving the crank rocker assembly to act and releasing the constraint of the disengaging lever (32).

2. A decoupling hook catch device for an inclined shaft lining jumbo according to claim 1, characterized in that: A plurality of stiffening plates (6) are arranged between the segment of the traction rod (3) extending to the rear side of the force transmission plate (4) and the force transmission plate (4).

3. The decoupling hook catch device of an inclined shaft lining jumbo according to claim 1, characterized in that: The force transmission rod (23) is fixed at the rear end of the traction rod (3) and coaxially arranged with the traction rod (3).

4. The decoupling hook catch device of an inclined shaft lining jumbo according to claim 1, characterized in that: The transmission mechanism comprises a transmission shaft (25) rotatably mounted at the front end of the lining trolley (1), the transmission shaft (25) is perpendicular to the force transmission rod (23), and the upper end of the transmission shaft (25) is in transmission connection with the force transmission rod (23) through a gear and rack transmission mechanism (24).

5. A decoupling hook catch device for an inclined shaft lining jumbo according to claim 4, characterized in that: The gear and rack transmission mechanism (24) comprises an upper gear (241) fixed on the upper end of the transmission shaft (25) and a rack (242) fixed on the force transmission rod (23) and engaged with the upper gear (241).

6. A decoupling hook catch device for an inclined shaft lining jumbo according to claim 4, characterized in that: The lower end of the transmission shaft (25) is connected with the crank rocker assembly through a gear set, and the gear set comprises a first lower gear (26) fixedly mounted on the lower end of the transmission shaft (25) and a second lower gear (27) engaged with the first lower gear (26).

7. A decoupling hook catch device for an inclined shaft lining jumbo according to claim 6, characterized in that: The front end of the lining trolley (1) is fixedly provided with a vertical mounting plate (35) for mounting the crank rocker assembly, the crank rocker assembly comprises a force reduction lever (31) for limiting the disengaging lever (32) and a rocker (29) for limiting the force reduction lever (31), the disengaging lever (32) and the force reduction lever (31) are rotatably mounted on the front side of the corresponding vertical mounting plate (35), the vertical mounting plate (35) is provided with a horizontal sliding groove (30) for sliding the rocker (29), the upper end of the rocker (29) is rotatably provided with a crank connecting rod (28), and the other end of the crank connecting rod (28) is eccentrically hinged to the second lower gear (27).

8. A fall arrest device for an incline lining jumbo according to claim 7, characterised in that: The front end of the lining trolley (1) is fixedly provided with a gear mounting plate (36) for mounting the gear set, the vertical mounting plate (35) is fixedly connected with the gear mounting plate (36), and the first lower gear (26) and the second lower gear (27) are both rotatably mounted on the gear mounting plate (36).

9. The decoupling hook catch device of an inclined shaft lining jumbo according to claim 7, characterized in that: One side of the rocker arm (29) is provided with a limiting groove (291) for abutting the end of the force reduction lever (31), one end of the force reduction lever (31) abuts in the limiting groove (291), the other end of the force reduction lever (31) abuts on the upper part of one end of the unhooking lever (32), and the other end of the unhooking lever (32) is hooked on the bottom of the falling stopping hook (33).

10. The decoupling hook catch device of an inclined shaft lining jumbo according to claim 1, characterized in that: The front end of the force transmission plate (4) is provided with a force transmission sleeve (7), the force transmission sleeve (7) is fixedly connected with the force transmission plate (4), the rear side of the pull-hanging cross beam (22) is fixedly provided with a guide cylinder (8) for guiding the force transmission sleeve (7), the force transmission sleeve (7) is sleeved outside the traction rod return spring (5), the guide cylinder (8) is slidably sleeved outside the force transmission sleeve (7), and the force transmission sleeve (7) and the guide cylinder (8) are coaxially arranged with the traction rod (3).

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