CN218265942U

CN218265942U - Simple adjusting device for mounting tunnel steel arch frame

Info

Publication number: CN218265942U
Application number: CN202221430044.4U
Authority: CN
Inventors: 李绍�; 邓正章; 张嵩伟; 吕同礼; 欧阳禄龙
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2023-01-10
Anticipated expiration: 2032-06-09

Abstract

A simple adjusting device for mounting a tunnel steel arch comprises an adjusting screw, an adjusting top support and a plurality of adjusting support frames, wherein the adjusting top support is arranged at the top end of the adjusting screw, the adjusting top support is arranged on the adjusting screw and is of a U-shaped plate structure, the adjusting screw comprises a screw rod and a screw sleeve, the adjusting top support comprises an L-plate component and an L-plate female component, an inner groove is formed in the end side of a transverse plate of the L-plate female component, the L-plate component is connected in the inner groove of the L-plate female component in a sliding mode, the transverse plate of the L-plate component is limited in the inner groove and is tightly fixed with the L-plate female component through a limiting bolt, and a fastener is arranged on the adjusting top support; the adjusting support frame comprises a support tube and a support plate, the support tube comprises an inner tube and an outer tube sleeved on the inner tube, and a plurality of adjusting support frames are obliquely and downwards fixed around the screw sleeve of the adjusting screw rod, so that height adjustment is facilitated, and meanwhile, the supporting support frame is matched with tunnel steel arches of various specifications and forms stable support when the ground is uneven.

Description

Simple adjusting device for mounting tunnel steel arch frame

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a simple and easy adjusting device for installation of tunnel steel bow member.

Background

At present common tunnel steel bow member installation all adopts the manpower lifting to adjust, the adjustment support about need relapse during the tunnel steel bow member installation could reach the design position, hardly can once install and target in place, it is very inconvenient to the mounting height adjustment of tunnel steel bow member during the construction, and need consume great manpower, the efficiency of construction is low, and the top on most support frames holds in the palm only to support and support in tunnel steel bow member below, it is stable inadequately to support between top support and the tunnel steel bow member, and can't change the top according to tunnel steel bow member specification and hold in the palm the width, be not suitable for the tunnel steel bow member erection bracing of multiple different specifications, moreover because tunnel steel bow member below ground is mostly unevenness ground, every fixed length supporting legs below the support frame is difficult to contradict subaerial simultaneously, thereby cause the unstable phenomenon of support frame support.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and easy adjusting device for tunnel steel bow member installation will solve the technical problem who mentions in the above-mentioned background art.

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

a simple adjusting device for installing a tunnel steel arch frame comprises an adjusting screw rod, an adjusting jacking support and a plurality of adjusting support frames, wherein the adjusting jacking support is arranged at the top end of the adjusting screw rod, the adjusting jacking support is of a U-shaped plate structure, the adjusting screw rod comprises a screw rod and a screw sleeve, the screw rod is in threaded connection with the screw sleeve, the top end of the screw rod is rotatably connected with the bottom of the adjusting jacking support through a bearing, the adjusting jacking support comprises an L-plate component and an L-plate female component, an inner groove is formed in the transverse plate end side of the L-plate female component, the specification of the inner groove is matched with that of the transverse plate of the L-plate component, the L-plate component is in sliding connection in the inner groove of the L-plate female component, a plurality of threaded holes penetrating through the inner groove are formed in the L-plate female component, a limiting bolt is arranged in each threaded hole, the transverse plate part of the L-plate component is limited in the inner groove and is tightly fixed with the L-plate female component through the limiting bolt, and the adjusting jacking support is movably arranged on a vertical plate of the adjusting jacking support and used for being matched with a clamping and fixing fastener when the adjusting jacking support when the L-plate is moved to a preset position; adjust the support frame and include the stay tube and fix the backup pad in the stay tube tip, the stay tube includes inner tube and the outer tube of cover on the inner tube, even interval is equipped with a plurality of through-holes on inner tube and the outer tube, inner tube and outer tube run through the through-hole fixed connection on inner tube and the outer tube through the round pin axle, and are a plurality of adjust the support frame slope and fix downwards around adjusting screw's screw sleeve.

Furthermore, a through long sliding column perpendicular to the bottom of the groove is arranged on the groove wall of the inner groove, a through long sliding groove matched with the sliding column is arranged on the L plate component, and the sliding column is limited in the sliding groove.

Furthermore, a rotating handle is arranged on the screw rod.

Furthermore, a bottom plate is arranged at the bottom end of the screw sleeve.

Furthermore, the fastener is a fastening bolt, and the fastener is perpendicular to the vertical plate of the adjusting jacking and is in threaded connection with the vertical plate on one side of the adjusting jacking.

Furthermore, the end of the fastener is provided with a rubber pad.

Compared with the prior art the utility model has the following characteristics and beneficial effect:

the utility model discloses a set up and adjust the top and hold in the palm, adjust the top and hold in the palm the U type structure open-ended size of regulation according to the specification adjustment of tunnel steel bow member, thereby improve the adaptability that this device supported different specification tunnel steel bow members, through be equipped with the fastener on adjusting the top and hold in the palm, it can be fixed with tunnel steel bow member to adjust the top support to screw the fastener, make this device more stable to the support of tunnel steel bow member, through setting up adjusting screw, make this device support the convenient adjustment of tunnel steel bow member in-process to the support height of tunnel steel bow member, adjust the support frame through setting up, at tunnel steel bow member below unevenness ground level, the length that can be convenient through adjusting every stay tube makes every stable support of support frame subaerial, thereby provide stable support to tunnel steel bow member on uneven ground, safety, characteristics such as applicable, fine popularization and practical value have, can produce good economic benefits after extensive popularization and application.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the middle adjusting jack of the present invention.

Reference numerals: 1. adjusting the screw rod; 101. a screw shaft; 102. a screw bushing; 2. adjusting a jacking; 201. an L-plate member; 202. an L-plate female member; 3. adjusting the support frame; 301. supporting a tube; 3011. an inner tube; 3012. an outer tube; 302. a support plate; 4. an inner groove; 5. a limit bolt; 6. a fastener; 7. a through hole; 8. a traveler; 9. a chute; 10. rotating the handle; 11. a base plate; 12. and (7) a rubber pad.

Detailed Description

In order to make the technical means, innovative features, attained purpose and efficacy of the present invention easy to understand, the present invention is further described below.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are both explanatory and exemplary, and should not be construed as limiting the scope of the embodiments and the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The utility model discloses a simple and easy adjusting device for tunnel steel bow member installation, as shown in fig. 1, including adjusting screw 1, locate the regulation top on 1 top of adjusting screw 2 to and locate a plurality of regulation support frames 3 on adjusting screw 1, adjust the top and hold in the palm 2 supports in tunnel steel bow member below, and adjusting screw 1 supports subaerially in tunnel steel bow member below with regulation support frame 3.

As shown in fig. 1 and 2, the adjusting top support 2 is a U-shaped plate structure, the adjusting screw rod 1 comprises a screw rod 101 and a screw sleeve 102, the screw rod 101 is in threaded connection with the screw sleeve 102, a rotating handle 10 is arranged on the screw rod 101, the length of the adjusting screw rod 1 can be changed by rotating the rotating handle 10, a bottom plate 11 is arranged at the bottom end of the screw sleeve 102, the top end of the screw rod 101 is rotatably connected with the bottom of the adjusting top support 2 through a bearing, the adjusting top support 2 comprises an L-plate sub-member 201 and an L-plate main member 202, an inner groove 4 is formed in the transverse plate end of the L-plate main member 202, the specification of the inner groove 4 is matched with that of the L-plate sub-member 201, a through long sliding column 8 which is perpendicular to the bottom is arranged on the groove wall of the inner groove 4, a through long sliding groove 9 which is matched with the sliding column 8 is arranged on the L-plate sub-member 201, the sliding column 8 is limited in the sliding groove 9, the L-plate sub-member 201 is slidably connected in the inner groove 4 of the L-plate main member 202, the adjustable top support 2 can be adjusted by changing the length of the L-plate main member 202, and the adjustable top support 2 can be adjusted in different sizes to adapt to different sizes of tunnel frames; the L-plate female member 202 is provided with a plurality of threaded holes, the threaded holes are communicated with the side wall of one side of the inner groove 4, the threaded holes are internally provided with limit bolts 5, the transverse plate part of the L-plate male member 201 is limited in the inner groove 4 and is tightly propped and fixed with the L-plate female member 202 through the limit bolts 5, and specifically, after the telescopic length of the L-plate female member 202 is adjusted, the limit bolts 5 are tightly propped against the L-plate male member 201 through fastening the limit bolts 5, so that the L-plate male member 201 is limited and fixed with the L-plate female member 202 in the inner groove 4; adjust and be equipped with on the top support 2 movably set up on adjusting the riser of top support 2 be used for when removing to preset position with adjust the top support 2 cooperation and play the fastener 6 of centre gripping fixed action, fastener 6 is fastening bolt, and fastener 6 is adjusted the top support 2 riser perpendicularly and is held in the palm 2 unilateral riser threaded connection with the regulation, and fastener 6 is adjusting the tip that holds in the palm 2U type structure opening in the top and is equipped with rubber pad 12, will adjust the top support 2 and fix with tunnel steel bow member through the fastener 6 of screwing.

As shown in fig. 1, the adjusting support frame 3 includes a support tube 301 and a support plate 302 fixed at an end of the support tube 301, the support tube 301 includes an inner tube 3011 and an outer tube 3012 sleeved on the inner tube 3011, a plurality of through holes 7 are uniformly spaced on the inner tube 3011 and the outer tube 3012, the inner tube 3011 and the outer tube 3012 are fixedly connected through the through holes 7 on the inner tube 3011 and the outer tube 3012 by pins, the length of the support tube 301 is changed by the pins through the through holes 7 on different positions on the inner tube 3011 and the outer tube 3012, an end of the support tube 301 far from the support plate 302 is obliquely and downwardly fixed around the screw sleeve 102 of the adjusting screw 1 at an acute angle between the adjusting support frame 3 and the adjusting screw 1, when the ground below the tunnel steel arch is uneven, the adjusting support frame 3 is stably supported on the ground by adjusting the length of each support tube 301, thereby forming a stable support for the tunnel steel arch on the uneven ground.

During the use, will adjust the top and hold in the palm 2 and adjust suitable size according to the specification of tunnel steel bow member, according to the length of the altitude mixture control adjusting screw 1 on tunnel steel bow member and below ground, make and adjust the top and hold in the palm 2 in tunnel steel bow member bottom, the bottom plate 11 of adjusting screw 1 bottom supports subaerial, screw and adjust fastener 6 on the top holds in the palm 2 and make and adjust the top and hold in the palm 2 and be connected fixedly with tunnel steel bow member, then adjust the length on every stay tube 301 of the adjustment of the smooth condition on support frame 3 below ground according to different positions and make the stable support of adjusting support frame 3 subaerial, adjust when holding in the palm 2 height through rotating rotatory handle 10 and will adjust the top and hold in the palm 2 suitable height.

The utility model discloses a set up and adjust the top and hold in the palm, adjust the top and hold in the palm and adjust the top and hold in the palm U type structure open-ended size according to the specification adjustment of tunnel steel bow member, thereby improve the adaptability that this device supported different specification tunnel steel bow members, through be equipped with fastening bolt on adjusting the top and hold in the palm, the fastener of screwing can be fixed with tunnel steel bow member with adjusting the top, make this device more stable to the support of tunnel steel bow member, through setting up adjusting screw, make this device support the convenient adjustment of tunnel steel bow member in-process to the support height of tunnel steel bow member, adjust the support frame through setting up, at tunnel steel bow member below unevenness ground level, the length that can be convenient through adjusting every stay tube makes every support frame stable support, thereby subaerial provide stable support to tunnel steel bow member at unevenness subaerial.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a simple and easy adjusting device for tunnel steel bow member installation which characterized in that: including adjusting screw (1), locate adjusting screw (1) top regulation top support (2) to and locate a plurality of regulation support frame (3) on adjusting screw (1), regulation top support (2) are U type platelike structure, adjusting screw (1) is including screw pole (101) and screw sleeve (102), screw pole (101) and screw sleeve (102) threaded connection, screw pole (101) top is passed through the bearing and is supported (2) bottom rotation and be connected with the regulation, regulation top support (2) are including L board sub-component (201) and L board female component (202), the horizontal plate end side of L board female component (202) is opened and is equipped with inner grove (4), the diaphragm specification phase-match of inner grove (4) specification and L board sub-component (201), L board sub-component (201) is at inner grove (4) of L board female component (202) internal sliding connection, be equipped with the screw hole of a plurality of inner groves (4) on L board female component (202) and link up, be equipped with screw hole (5) in the fixed screw hole (2), L board fixed spacing sub-component (201) is used for adjusting screw pole (2) and the roof bolt (2) is supported and is used for the cooperation of L board (2) and the adjusting screw sleeve (2) and the roof board (2) is adjusted the roof board (2) and is equipped with the roof board (2) and is adjusted the roof board (2) and is equipped with the cooperation A fastener (6); adjusting support frame (3) including stay tube (301) and fixing backup pad (302) at stay tube (301) tip, stay tube (301) include inner tube (3011) and cover outer tube (3012) on inner tube (3011), even interval is equipped with a plurality of through-holes (7) on inner tube (3011) and outer tube (3012), inner tube (3011) and outer tube (3012) run through-hole (7) fixed connection on inner tube (3011) and outer tube (3012) through the round pin axle, and are a plurality of adjusting support frame (3) slope is fixed downwards around screw sleeve pipe (102) of adjusting screw (1).

2. The simple adjusting device for the installation of the tunnel steel arch center of claim 1, wherein: the L-shaped plate is characterized in that a through long sliding column (8) perpendicular to the bottom of the groove is arranged on the groove wall of the inner groove (4) of the L-shaped plate female component (202), a through long sliding groove (9) matched with the sliding column (8) is formed in the L-shaped plate male component (201), and the sliding column (8) is limited in the sliding groove (9).

3. The simple adjusting device for the installation of the tunnel steel arch according to claim 1, wherein: and a rotating handle (10) is arranged on the screw rod (101).

4. The simple adjusting device for the installation of the tunnel steel arch according to claim 1, wherein: and a bottom plate (11) is arranged at the bottom end of the screw sleeve (102).

5. The simple adjusting device for the installation of the tunnel steel arch according to claim 1, wherein: the fastening piece (6) is a fastening bolt, and the fastening piece (6) is perpendicular to the vertical plate of the adjusting top support (2) and the vertical plate on the single side of the adjusting top support (2) in threaded connection.

6. The simple adjusting device for tunnel steel arch installation according to any one of claims 1 to 5, characterized in that: the end part of the fastener (6) is provided with a rubber pad (12).