CN212153115U

CN212153115U - Grouting plug with good sealing performance

Info

Publication number: CN212153115U
Application number: CN202020095973.9U
Authority: CN
Inventors: 赵付昌; 关喜彬; 韩希平; 陶琦; 刘昌济; 陈守昭; 王奇; 冯研; 关铭惠
Original assignee: Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd; Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-15
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a mud jacking end cap with good leakproofness, which comprises a housin, be equipped with the jack in the casing, and the jack runs through the lateral wall setting of casing, be equipped with the end cap rather than matching in the jack, and the upper end of end cap is connected with stifled cap, the vertical dead lever that is equipped with in the stifled cap, the one end of dead lever is inserted and is established in the end cap, and the other end of dead lever runs through the lateral wall setting of stifled cap, be equipped with the ascending screw hole of opening in the dead lever, one side lateral wall that stifled cap is close to the end cap is equipped with annular convex block, and the last lateral wall of casing is equipped with the ascending first annular groove of opening, first annular groove matches the setting with annular convex block, there is annular slide bottom through spring coupling of first annular groove, the vertical spout that is equipped with of one side inner. The utility model has simple structure and convenient operation, and increases the sealing performance in the mud jacking process; meanwhile, raw materials are saved, and the construction process is simplified.

Description

Grouting plug with good sealing performance

Technical Field

The utility model relates to a mud jacking technical field especially relates to a mud jacking end cap with good leakproofness.

Background

The conventional construction method of the T-beam in the grouting process is to use wet cement lumps to plug the anchor head. The construction time is long, materials are wasted, cement paste is easy to crack and fall off to cause slurry leakage in the slurry pressing process, and smooth audit in the future is influenced; and need to chisel out the anchor head cement group after the mud jacking is finished, the construction speed is slow, has influenced the going on of the next construction process, delay the time limit for a project; meanwhile, the air leakage condition exists at the position of a tensioning anchor at the beam end in the grouting process, so that the grouting quality of the T beam is influenced; to this end, we propose a grouting plug with good sealing properties to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the traditional mud jacking mode has the gas leakage condition in the stretch-draw ground tackle position of beam-ends in the mud jacking process, influences the mud jacking quality of T roof beam among the prior art, and the mud jacking end cap that has good leakproofness that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a grouting plug with good sealing performance comprises a shell, wherein a jack is arranged in the shell and penetrates through the side wall of the shell, a plug matched with the jack is arranged in the jack, the upper end of the plug is connected with a plug cap, a fixing rod is vertically arranged in the plug cap, one end of the fixing rod is inserted in the plug, the other end of the fixing rod penetrates through the side wall of the plug cap, a threaded hole with an upward opening is formed in the fixing rod, an annular convex block is arranged on the side wall, close to the plug, of the plug cap, the upper side wall of the shell is provided with a first annular groove with an upward opening, the first annular groove is matched with the annular convex block, the bottom of the first annular groove is connected with an annular sliding plate through a spring, a sliding groove is vertically arranged on the inner wall, far away from the jack, of the first annular groove, and a first sliding block matched with the sliding groove is, a second annular groove is vertically arranged on the inner wall of one side, close to the jack, of the first annular groove, a cavity communicated with each other is arranged in each of the annular convex block and the first sliding block, an opening communicated with the inside of the first sliding block is arranged on the side wall, far away from the annular convex block, of the first sliding block, a first gear is rotatably connected in each first sliding block, a plurality of tooth grooves matched with the first gears are vertically arranged on the side wall of each sliding groove, a second gear meshed with the first gears is further arranged in each first sliding block, the second gears are arranged on the sides, far away from the tooth grooves, of the first gears, a mounting groove is formed in the inner wall of each annular convex block, a semicircular baffle is rotatably connected to the inner wall of the lower side of the mounting groove through a rotating device, a rack matched with the second gears is further arranged in each first sliding block, the rack is located below the second gears, and a second sliding block is arranged on, and the rack passes through the lower lateral wall inner wall sliding connection of second slider with the cavity, the one end that the tooth's socket was kept away from to the rack is equipped with the kelly, and the kelly one end of keeping away from the rack runs through the lateral wall of annular slide and extends to the mounting groove in, rotating device's lateral wall is around being equipped with a plurality of draw-in grooves that match with the kelly.

Preferably, the side wall of end cap parcel has first sealing rubber pad, and the lateral wall of first sealing rubber pad is equipped with a plurality of arc recesses that are parallel to each other, the inner wall of jack is equipped with a plurality of arc lugs that match with the arc recess.

Preferably, the inner wall of the upper side of the second annular groove is provided with a second sealing rubber pad.

Preferably, a groove with a downward opening is formed in the side wall of one side, away from the rack, of the second sliding block, and a pulley is rotatably connected in the groove.

Preferably, the rotating device is a spring tube, the spring tube comprises a sleeve, a torsion spring sleeved in the sleeve and a fixing rod inserted in the torsion spring, one end of the torsion spring is fixedly connected with the fixing rod, and the other end of the torsion spring is fixedly connected to the side wall of the sleeve.

The utility model discloses simple structure, convenient operation, through the fixed of mud jacking cap, make in the mud jacking process, with pressurize in-process leak-proof, promote the mud jacking quality of T roof beam, replace traditional use grout with the mud jacking end cap simultaneously and seal, practice thrift raw and other materials, simplify the work progress, reached and upgrade the construction operation effect of increasing effect, can also avoid the cement group fracture to drop simultaneously and cause the mud jacking in-process to leak thick liquid, influenced the smooth audit in the future.

Drawings

Fig. 1 is a schematic structural view of a grouting plug with good sealing performance according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: the novel plug comprises a shell body 1, a jack 2, a plug 3, a plug 4, a fixing rod 5, a threaded hole 6, a first sealing rubber pad 7, an arc-shaped groove 8, an arc-shaped bump 9, a first annular groove 10, an annular bump 11, a spring 12, an annular sliding plate 13, a second annular groove 14, a second sealing rubber pad 15, a sliding groove 16, a first sliding block 17, a first gear 18, a tooth groove 19, a second gear 20, a rack 21, a clamping rod 22, a second sliding block 23, a groove 24, a pulley 25, a mounting groove 26, a semicircular baffle 27, a rotating device 28 and a clamping groove 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a grouting plug with good sealing performance comprises a casing 1, wherein a jack 2 is arranged in the casing 1, the jack 2 penetrates through the side wall of the casing 1, a plug 3 matched with the jack 2 is arranged in the jack 2, the upper end of the plug 3 is connected with a plug cap 4, the side wall of the plug 3 is wrapped by a first sealing rubber gasket 7, the side wall of the first sealing rubber gasket 7 is provided with a plurality of arc-shaped grooves 8 which are arranged in parallel, the inner wall of the jack 2 is provided with a plurality of arc-shaped convex blocks 9 matched with the arc-shaped grooves 8, the sealing performance in the grouting process is further improved, a fixing rod 5 is vertically arranged in the plug cap 4, one end of the fixing rod 5 is inserted into the plug 3, the other end of the fixing rod 5 penetrates through the side wall of the plug cap 4, a threaded hole 6 with an upward opening is arranged in the fixing rod 5, one side wall of the, and the upper side wall of the shell 1 is provided with a first annular groove 10 with an upward opening, the first annular groove 10 is matched with the annular convex block 11, the bottom of the first annular groove 10 is connected with an annular sliding plate 13 through a spring 12, the inner wall of one side of the first annular groove 10 far away from the jack 2 is vertically provided with a sliding chute 16, the outer wall of the annular convex block 11 is provided with a first sliding block 17 matched with the sliding chute 16, the inner wall of one side of the first annular groove 10 near the jack 2 is vertically provided with a second annular groove 14, the inner wall of the upper side of the second annular groove 14 is provided with a second sealing rubber pad 15, when the semicircular baffle 27 is abutted against the upper side wall of the second annular groove 14, the sealing performance of the annular convex block 11 connected with the first annular groove 10 is increased under the action of the second sealing rubber pad 15, the annular convex block 11 and the first sliding block 17 are both provided with mutually communicated cavities, and the side wall of one side of the first sliding block 17 far away, a first gear 18 is rotatably connected in the first slider 17, a plurality of tooth grooves 19 matched with the first gear 18 are vertically arranged on the side wall of the sliding groove 16, a second gear 20 meshed with the first gear 18 is further arranged in the first slider 17, the second gear 20 is arranged on one side of the first gear 18 far away from the tooth grooves 19, an installation groove 26 is arranged on the inner wall of the annular convex block 11, a semicircular baffle 27 is rotatably connected on the inner wall of the lower side of the installation groove 26 through a rotating device 28, a rack 21 matched with the second gear 20 is further arranged in the first slider 17, the rack 21 is positioned below the second gear 20, a second slider 23 is arranged on the side wall of the rack 21 far away from the second gear 20, the rack 21 is slidably connected with the inner wall of the lower side wall of the cavity through the second slider 23, a groove 24 with a downward opening is arranged on the side wall of the second slider 23 far away from the rack 21, and a pulley 25 is rotatably connected in the groove 24, the second sliding block 23 is convenient to slide, so that the position of the rack 21 is convenient to move, a clamping rod 22 is arranged at one end, away from the tooth groove 19, of the rack 21, one end, away from the rack 21, of the clamping rod 22 penetrates through the side wall of the annular sliding plate 13 and extends into the mounting groove 26, a plurality of clamping grooves 29 matched with the clamping rod 22 are formed in the side wall of the rotating device 28 in a surrounding mode, the rotating device 28 is a spring tube, the spring tube comprises a sleeve, a torsion spring sleeved in the sleeve and a fixing rod inserted in the torsion spring, one end of the torsion spring is fixedly connected with the fixing rod, the other end of the torsion spring is fixedly connected onto the side wall of the sleeve, when the semicircular baffle plate 27 is blocked by the side wall at the opening of the first annular groove 10, the vertical angle is formed during rotation, so that the annular bump 11 is convenient to be inserted into the first annular groove 10, automatically rotated to the horizontal direction by the rotating means 28 so as to be easily abutted against the upper inner wall of the second annular groove 14.

The utility model has simple structure and convenient operation, replaces the traditional sealing by cement paste through the plug 3, and arranges a fixed rod 5 in the plug 3 and the plug cap 4, and simultaneously arranges a threaded hole 6 with an upward opening in the fixed rod 5; therefore, when the grouting device is used for grouting operation, the threaded rod in the threaded hole 6 is rotated to drive the plug 3 and the plug cap 4 to slide, the annular convex block 11 on the side wall of the plug cap 4 is inserted into the first annular groove 10, the semicircular baffle plate 27 in the installation groove 26 is blocked by the edge of the opening of the first annular groove 10, and the annular convex block 11 is conveniently inserted into the first annular groove 10 by rotating the rotating device 28; at the same time, when the semicircular baffle plate 27 is rotated into the horizontal arrangement by the rotating means 28 while sliding to the second annular groove 14, the annular projection 11, when inserted into the first annular groove 10, through the cooperation of the first sliding block 17 and the sliding slot 16, the first gear 18 in the first sliding block 17 drives the first gear 18 to rotate clockwise under the action of the tooth space 19, the first gear 18 can drive the second gear 20 to rotate counterclockwise, the second gear 20 can drive the rack 21 to move towards the insertion hole 2 and drive the clamping rod 22 to move, when the clamping rod 22 and the clamping groove 29 are clamped together, the rotating device 28 can be fixed, and at the moment, the heights of the plug 3 and the plug cap 4 can be adjusted, so that the semicircular baffle plate 27 is abutted against the inner wall of the upper side of the second annular groove 14, and under the action of the second sealing rubber gasket 15, the sealing performance of the plug 3 and the plug cap 4 is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The grouting plug with good sealing performance comprises a shell (1) and is characterized in that a jack (2) is arranged in the shell (1), the jack (2) penetrates through the side wall of the shell (1) to be arranged, a plug (3) matched with the jack is arranged in the jack (2), the upper end of the plug (3) is connected with a plug cap (4), a fixing rod (5) is vertically arranged in the plug cap (4), one end of the fixing rod (5) is inserted into the plug (3), the other end of the fixing rod (5) penetrates through the side wall of the plug cap (4) to be arranged, a threaded hole (6) with an upward opening is arranged in the fixing rod (5), an annular convex block (11) is arranged on the side wall, close to the plug (3), of the plug cap (4), a first annular groove (10) with the upward opening is arranged on the upper side wall of the shell (1), and the first annular groove (10) is matched with the annular convex block (11), the bottom of first annular groove (10) is connected with annular sliding plate (13) through spring (12), the vertical spout (16) that is equipped with of one side inner wall that jack (2) were kept away from in first annular groove (10), and the outer wall of annular lug (11) is equipped with first slider (17) that matches with spout (16), the vertical second annular groove (14) that is equipped with of one side inner wall that first annular groove (10) are close to jack (2), all be equipped with the cavity of intercommunication each other in annular lug (11) and first slider (17), and one side lateral wall that annular lug (11) were kept away from in first slider (17) is equipped with the opening of first slider (17) inside intercommunication, it has first gear (18) to rotate in first slider (17), and the vertical range of lateral wall of spout (16) has a plurality of tooth's socket (19) that match with first gear (18), still be equipped with second gear (20) that set up with first gear (18) meshing in first slider (17) And the second gear (20) is arranged at one side of the first gear (18) far away from the tooth space (19), the inner wall of the annular convex block (11) is provided with a mounting groove (26), the inner wall of the lower side of the mounting groove (26) is rotatably connected with a semicircular baffle plate (27) through a rotating device (28), the first sliding block (17) is also provided with a rack (21) matched with the second gear (20), the rack (21) is arranged below the second gear (20), the side wall of the rack (21) far away from the second gear (20) is provided with a second sliding block (23), the rack (21) is slidably connected with the inner wall of the lower side wall of the cavity through the second sliding block (23), one end of the rack (21) far away from the tooth space (19) is provided with a clamping rod (22), and one end of the clamping rod (22) far away from the rack (21) penetrates through the side wall of the annular sliding plate (13) and extends into the mounting groove (26, the side wall of the rotating device (28) is provided with a plurality of clamping grooves (29) matched with the clamping rods (22) in a surrounding mode.

2. The grouting plug with good sealing performance according to claim 1, wherein the side wall of the plug (3) is wrapped by the first sealing rubber gasket (7), the side wall of the first sealing rubber gasket (7) is provided with a plurality of arc-shaped grooves (8) which are arranged in parallel, and the inner wall of the insertion hole (2) is provided with a plurality of arc-shaped convex blocks (9) matched with the arc-shaped grooves (8).

3. The grouting plug with good sealing performance according to claim 1, wherein the upper inner wall of the second annular groove (14) is provided with a second sealing rubber gasket (15).

4. The grouting plug with good sealing performance according to claim 1, wherein a side wall of the second sliding block (23) far away from the rack (21) is provided with a groove (24) with a downward opening, and a pulley (25) is rotatably connected in the groove (24).

5. The grouting plug with good sealing performance as claimed in claim 1, wherein the rotating device (28) is a spring tube, the spring tube comprises a sleeve, a torsion spring sleeved in the sleeve and a fixing rod inserted in the torsion spring, one end of the torsion spring is fixedly connected with the fixing rod, and the other end of the torsion spring is fixedly connected with the side wall of the sleeve.