CN213865044U

CN213865044U - Hoisting mechanism for tunnel construction trestle

Info

Publication number: CN213865044U
Application number: CN202022959972.7U
Authority: CN
Inventors: 李长权; 刘伟; 王广裕; 刘有贵; 吴小兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-03
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a hoisting mechanism for a tunnel construction trestle, which comprises a trestle, wherein two fixed frames are clamped on the trestle, a fixed rod is fixed between the inner walls of the fixed frames, two steel wire ropes are connected on the fixed rod in a sliding way, the end parts of the two steel wire ropes are connected with a hook, a limiting rod for hooking and clamping is fixed between the inner walls of the fixed frames, two limiting groove bodies with equal distance are fixed on both sides of the limiting rod, sliding blocks are connected on the top parts of the two fixed frames, a cross rod and a reinforcing rod are penetrated between the two sliding blocks in a sliding way, both ends of the cross rod and the reinforcing rod are connected with connecting seats, so that the relative position of the fixed frames can be conveniently adjusted to be better adapted to trestles with different specifications, and simultaneously, the trestles are not easy to fall off when being fixed, the fixing mode is firmer, and the integral strength is higher when being hoisted, the requirement of actual hoisting strength can be met.

Description

Hoisting mechanism for tunnel construction trestle

Technical Field

The utility model relates to a hoisting machine constructs technical field, specifically is a hoisting machine constructs for tunnel construction landing stage.

Background

In tunnel construction process, the landing stage is used for the bearing bridge body of invert construction to the operation convenience of the continuous construction of pouring of invert, because the invert that is located the landing stage below need constantly excavate and carry out concrete placement simultaneously according to the route of tunnel set laying in the work progress, when a process of pouring accomplishes the back, need remove relevant equipment and landing stage and carry out the construction to next process and pour.

At present, a steel wire rope is wound on a trestle to be fixed and then is carried by a crane, the trestle is easy to fall off in the conveying process, the damage of the trestle is caused, the stability during hoisting is to be improved, and therefore the hoisting mechanism for the tunnel construction trestle is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a tunnel construction is hoist and mount mechanism for landing stage has solved the above-mentioned problem that proposes.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hoisting mechanism for a tunnel construction trestle comprises the trestle, wherein two fixing frames are clamped on the trestle, a fixing rod is fixed between the inner walls of the fixing frames, two steel wire ropes are connected onto the fixing rod in a sliding manner, and the end parts of the two steel wire ropes are connected with hooks;

a limiting rod for clamping the hook is fixed between the inner walls of the fixing frames, and limiting groove bodies arranged at equal intervals are fixed on two sides of the limiting rod;

the top parts of the two fixing frames are connected with sliding blocks, a cross rod and a reinforcing rod are slidably penetrated between the two sliding blocks, two ends of the cross rod and the reinforcing rod are connected with connecting seats, and the top parts of the sliding blocks are in threaded connection with fixing bolts locked on the cross rod;

and a hanging part is connected between the tops of the two connecting seats.

Preferably, the fixed rod is slidably sleeved with two sliding sleeves, and the steel wire rope is connected to the sliding sleeves.

Preferably, a first movable hole for the cross rod to pass through and a second movable hole for the reinforcing rod to pass through are formed in the sliding block, a threaded hole communicated with the first movable hole is formed in the top of the sliding block, and the fixing bolt is in threaded connection with the threaded hole.

Preferably, the fixed orifices that the equidistance set up are seted up at the horizontal pole top, the bottom threaded connection of gim peg is in the fixed orifices.

Preferably, hang the portion of putting including articulating the hinge bar on two connecting seats respectively, articulated between the other end of two hinge bars have the head of hanging, the top of hanging the head is connected with the lug, be connected with the stabilizer bar between head of hanging and the horizontal pole.

(III) advantageous effects

The utility model provides a hoisting mechanism for tunnel construction landing stage. The method has the following beneficial effects: can conveniently adjust the relative position of fixed frame, make the landing stage of its better adaptation different specifications, and while when fixing the landing stage, it is difficult for droing, and its fixed mode is more firm, and holistic intensity is higher again when hoist and mount, makes its demand that can satisfy actual hoist and mount intensity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle fixing frame of the present invention;

FIG. 3 is a schematic view of the connection structure of the middle cross bar of the present invention;

fig. 4 is the cross-sectional structure of the sliding block in the present invention.

In the figure: 1. a trestle; 2. a fixing frame; 3. a slider; 31. a first movable hole; 32. a second movable hole; 33. a threaded hole; 4. a cross bar; 41. a fixing hole; 5. a reinforcing rod; 6. a connecting seat; 7. a fixing bolt; 8. a hinged lever; 9. a hoisting head; 10. lifting lugs; 11. a stabilizer bar; 12. fixing the rod; 13. a sliding sleeve; 14. a wire rope; 15. hooking; 16. a restraining bar; 17. and limiting the trough body.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hoisting mechanism for a tunnel construction trestle comprises a trestle 1, wherein two fixed frames 2 are clamped on the trestle 1, the fixed frames 2 are in a U-shaped structure, fixed rods 12 are fixed between the inner walls of the fixed frames 2, two steel wire ropes 14 are connected on the fixed rods 12 in a sliding manner, two sliding sleeves 13 are sleeved on the fixed rods 12 in a sliding manner, the steel wire ropes 14 are connected on the sliding sleeves 13, so that the steel wire ropes 14 can slide on the fixed rods 12, and the end parts of the two steel wire ropes 14 are connected with hooks 15;

a limiting rod 16 used for clamping the hook 15 is fixed between the inner walls of the fixed frames 2, the limiting rod 16 is positioned below the fixed rod 12, and limiting groove bodies 17 arranged at equal intervals are fixed on two sides of the limiting rod 16;

the top parts of the two fixed frames 2 are connected with sliding blocks 3, a cross rod 4 and a reinforcing rod 5 penetrate between the two sliding blocks 3 in a sliding mode, the reinforcing rod 5 plays a role in reinforcing the strength of the cross rod 4, two ends of the cross rod 4 and two ends of the reinforcing rod 5 are connected with connecting seats 6, and the top parts of the sliding blocks 3 are in threaded connection with fixing bolts 7 locked on the cross rod 4;

be connected with between the top of two connecting seats 6 and hang the portion of putting, hang the portion of putting including articulating the hinge bar 8 on two connecting seats 6 respectively, it has hanging head 9 to articulate between the other end of two hinge bar 8, the top of hanging head 9 is connected with lug 10, lug 10 conveniently hoists, be connected with stabilizer bar 11 between hanging head 9 and the horizontal pole 4, under stabilizer bar 11 and two hinge bar 8's effect, it is more stable when making its hoist and mount, and make its intensity higher.

In order to facilitate the sliding of the sliding block 3 and fix the sliding block in a fixed position, a first movable hole 31 for the cross rod 4 to pass through and a second movable hole 32 for the reinforcing rod 5 to pass through are formed in the sliding block 3, so that the sliding block 3 can slide on the cross rod 4 and the reinforcing rod 5 conveniently, a threaded hole 33 communicated with the first movable hole 31 is formed in the top of the sliding block 3, the fixing bolt 7 is in threaded connection with the threaded hole 33, a fixing hole 41 formed in the top of the cross rod 4 at equal intervals, the bottom end of the fixing bolt 7 is in threaded connection with the fixing hole 41, and therefore after the sliding block 3 slides to a specified position, the fixing bolt 7 can be fixed in the specified fixing hole 41 conveniently.

In actual use, the sliding block 3 can slide along the cross rod 4 and the reinforcing rod 5 to move to a designated position to be better adapted to the actual length of the trestle 1, and then the sliding block 3 is locked in the corresponding fixing hole 41 through the fixing bolt 7 after moving to the designated position to be locked, so that the steel wire rope 14 can conveniently pass through the limiting groove body 17, the steel wire rope 14 can conveniently be wound on the trestle 1, the extending part of the wound steel wire rope 14 can be wound on the early limiting rod 16, the hook 15 is hung on the limiting rod 16, the fixing rod 12 and the limiting rod 16 are jointly supported, the firmness of the wound steel wire rope 14 is ensured under the gravity of the trestle 1, the hanging frame 10 is hung by a crane to be convenient for smooth transfer, so that the relative position of the fixing frame can be conveniently adjusted, the fixing frame can be better adapted to trestles of different specifications, and simultaneously when the trestle is fixed, it is difficult for droing, and its fixed mode is more firm, and holistic intensity is higher again when hoist and mount, makes its demand that can satisfy actual hoist and mount intensity.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel construction is hoist and mount mechanism for landing stage, includes landing stage (1), its characterized in that: the trestle (1) is clamped with two fixed frames (2), a fixed rod (12) is fixed between the inner walls of the fixed frames (2), the fixed rod (12) is connected with two steel wire ropes (14) in a sliding manner, and the end parts of the two steel wire ropes (14) are connected with a hook (15);

limiting rods (16) used for clamping hooks (15) are fixed between the inner walls of the fixing frames (2), and limiting groove bodies (17) arranged at equal intervals are fixed on two sides of each limiting rod (16);

the top parts of the two fixed frames (2) are connected with sliding blocks (3), a cross rod (4) and a reinforcing rod (5) penetrate through the two sliding blocks (3) in a sliding mode, two ends of the cross rod (4) and the reinforcing rod (5) are connected with connecting seats (6), and the top parts of the sliding blocks (3) are connected with fixing bolts (7) locked on the cross rod (4) in a threaded mode;

a hanging part is connected between the tops of the two connecting seats (6).

2. The hoisting mechanism for the tunnel construction trestle of claim 1, characterized in that: the fixing rod (12) is provided with two sliding sleeves (13) in a sliding sleeved mode, and the steel wire rope (14) is connected to the sliding sleeves (13).

3. The hoisting mechanism for the tunnel construction trestle of claim 1, characterized in that: offer first movable hole (31) that are used for horizontal pole (4) to pass on sliding block (3), be used for second movable hole (32) that anchor strut (5) passed, screw hole (33) with first movable hole (31) intercommunication are seted up at the top of sliding block (3), gim peg (7) threaded connection is in screw hole (33).

4. The hoisting mechanism for the tunnel construction trestle according to claim 1 or 3, characterized in that: fixing holes (41) with equal intervals are formed in the top of the cross rod (4), and the bottom end of the fixing bolt (7) is connected into the fixing holes (41) in a threaded mode.

5. The hoisting mechanism for the tunnel construction trestle of claim 1, characterized in that: hang the portion of putting including articulating hinge bar (8) on two connecting seats (6) respectively, articulated between the other end of two hinge bar (8) have hanging head (9), the top of hanging head (9) is connected with lug (10), be connected with stabilizer bar (11) between hanging head (9) and horizontal pole (4).