CN114687680B

CN114687680B - Rod bracket and operating arm of anchor trolley with the rod bracket

Info

Publication number: CN114687680B
Application number: CN202011624111.1A
Authority: CN
Inventors: 高军; 吴航通; 沈艳芳; 周彪; 郭陈强; 王勇; 王起坤; 汪运来
Original assignee: Hangzhou Jingke Intelligent Equipment Manufacturing Co ltd
Current assignee: Hangzhou Jingke Intelligent Equipment Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2025-01-28
Anticipated expiration: 2040-12-31
Also published as: CN114687680A

Abstract

The present application discloses a rod bracket, including a support seat, a support arm, a clamping assembly and a driving device; the support arm is rotatably connected to the support seat, and can swing in a plane perpendicular to the rod, and has a first position and a second position; the clamping assembly includes two first clamping arms and a second clamping arm rotatably connected to the support arm, and the two clamping arms have an open state for releasing the rod and a closed state for limiting the movement of the rod; the driving device is used to drive the first clamping arm to rotate so that the two clamping arms are switched between the open state and the closed state. A driving device completes the state switching of the two clamping arms and the position change of the support arm, and provides support for the outer periphery of the drill rod compared to the traditional drill rod fixing mechanism, effectively reducing the interference of bending stress. When the drilling assembly slides close to the rod bracket, the support arm rotates and swings to the second device, exiting the drilling movement path of the drilling assembly, and the drilling operation of the drilling assembly is safer and the drilling depth is deeper.

Description

Rod piece bracket and operating arm of anchor rod trolley with same

Technical Field

The application relates to the technical field of tunnel construction, in particular to a rod bracket and an operating arm of an anchor rod trolley with the same.

Background

The drill jumbo or stock platform truck is at long distance drilling, and drilling rod axial and radial proportion is great, receives gravity effect, easily forms great crooked disturbance degree, if no response measure avoids the appearance of disturbance degree, when drilling rod or stock give certain propulsive force, the atress can not be followed the transmission of pole central direction for crooked constantly increases until bending or fracture. For another reason, when the anchor rod or the drill rod rotates at a high speed, the disturbance degree is affected by the centripetal force gradually and is bent or broken in operation if the disturbance degree cannot be effectively reduced. Thus, a bracket for supporting or holding the lever is added to the middle of the operating arm.

The chinese patent document with publication number CN 109184566A discloses a trenchless drilling machine with a drill rod bracket structure, a supporting frame disposed on a frame (a pushing beam) and at the front end, and a bracket disposed in the middle, so that during drilling operation, three-point support can be obtained, influence of disturbance is reduced, the bracket can stretch along the forward direction of the drilling assembly, and when approaching to a limit position, the bracket stretches and approaches to the drilling assembly, so that drilling is in place. But this bracket only provides upwards offsets gravity's holding power, and the drilling rod can receive other direction centripetal force effect when drilling operation, and the condition that appears breaking away from the bracket takes place, leads to the fracture risk still higher, and telescopic bracket occupies the front end certain space all the time, and the degree of depth of the stock mounting hole that drilling operation produced is less than the effective length of drilling rod all the time, and is efficient.

Disclosure of Invention

The application provides a rod piece bracket which is used for fixing a rod piece in multiple directions and is convenient for drilling operation of a drilling assembly.

A lever bracket comprising:

A support base;

The support arm is rotationally connected with the support seat and can swing in a plane vertical to the rod piece, and the support arm is provided with a first position and a second position;

The clamping assembly comprises two first clamping arms and two second clamping arms which are connected with the supporting arm, wherein the first clamping arms are rotationally connected with the supporting arm, and the two clamping arms are in an open state for releasing the rod piece and a closed state for limiting the rod piece to move;

the driving device is used for driving the first clamping arm to rotate so that the two clamping arms can be switched between an open state and a closed state.

The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions.

Optionally, the second arm lock rotates with the support arm to be connected, be provided with aggregate unit between first arm lock and the second arm lock.

Optionally, a locking mechanism for preventing the support arm from swinging is arranged between the support seat and the support arm, and the locking mechanism is unlocked when the two clamp arms are in an open state.

Optionally, the locking mechanism includes a locking pin slidably disposed on the support arm and driven by the driving device, and a locking pin hole disposed on the support base.

Optionally, the second arm lock rotates with the support arm to be connected, be provided with aggregate unit between first arm lock and the second arm lock, aggregate unit is the gear train, be provided with on the lockpin with one of them gear engagement's pinion rack.

Optionally, the driving device continues to drive the support arm to swing from the first position to the second position when the two clamp arms are in the open state.

Optionally, the driving device is an oil cylinder, and two ends of the oil cylinder are respectively connected with the supporting seat and the rotation.

Optionally, an elastic element for urging the support arm to swing back from the first position to the second position is provided between the support arm and the support base.

The application also provides an operation arm of the anchor rod trolley with the rod piece bracket, which comprises the following components:

A push beam extending along a first direction;

the first sliding plate is slidably mounted on the propelling beam and can slide back and forth along a first direction;

the drilling assembly comprises a drill rod, a first sliding plate, a second sliding plate, a first drilling assembly and a second drilling assembly, wherein the drill rod is slidably arranged on the first sliding plate and can slide back and forth along a second direction, and the first drilling assembly is provided with a first working position and a first standby position for drilling a rock wall;

And the rod piece bracket is used for supporting the drill rod, when the first sliding plate slides along the first direction to approach the rod piece bracket, the two clamping arms are switched from the closed state to the open state, and then the supporting arm swings from the first position to the second position.

Optionally, a linkage assembly with a clutch device is arranged between the rod bracket and the drilling assembly and can move along a second direction along with the drilling assembly, when the drilling assembly slides along a first direction along with the first sliding plate, the clutch device is separated, the rod bracket is kept still, and when the drilling assembly slides along the second direction, the clutch device is combined, and the rod bracket synchronously slides.

The rod piece bracket is provided with the driving device to realize the switching of the two clamping arms in the opening/closing state and the rotation and swing of the supporting arms, so that the multidirectional supporting force of the drill rod can be improved, and the drilling operation of the drilling assembly at the avoiding position can be rotated.

Drawings

FIG. 1 is a schematic view illustrating a closed state structure of a rod bracket according to an embodiment of the present application;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view showing an open state structure of a rod cradle according to an embodiment of the present application;

FIG. 4 is a schematic view of a rod cradle according to an embodiment of the present application in a second position;

FIG. 5 is a perspective view of FIG. 1;

FIG. 6 is a perspective view of FIG. 3;

FIG. 7 is a perspective view of FIG. 4;

FIG. 8 is a cross-sectional view at B-B in FIG. 2;

fig. 9 is a cross-sectional view of another state of fig. 8;

fig. 10 is a cross-sectional view of the other state of fig. 8;

FIG. 11 is a cross-sectional view taken at A-A of FIG. 2;

fig. 12 is a cross-sectional view of another state of fig. 11;

fig. 13 is a cross-sectional view of another state of fig. 11;

FIG. 14 is a perspective view of an operating arm of the bolter of an embodiment of the present application;

FIG. 15 is a perspective view of the first slide plate of the operating arm of the roof bolt trolley of the present application with the drilling assembly in a first operating position;

FIG. 16 is a perspective view of a first slide plate in the operating arm of the roof bolt trolley of the present application with the drilling assembly in a first standby position;

FIG. 17 is a perspective view showing a synchronous displacement portion of a rod holder in an operating arm of a bolter according to an embodiment of the present application;

FIG. 18 is a perspective view showing a synchronous displacement portion of a rod holder in an operating arm of a bolter according to another embodiment of the present application;

FIG. 19 is a cross-sectional view of the construction of the operating arm of the roof bolting trolley of the present application at the first rack;

FIG. 20 is another state diagram of FIG. 19;

FIG. 21 is a cross-sectional view of the construction of the second rack in the operating arm of the roof bolting trolley of the present application;

FIG. 22 is another state diagram of FIG. 21;

FIG. 23 is an enlarged view of the C-clutch device of FIG. 17 in a disengaged condition;

FIG. 24 is a schematic view of the locking device of FIG. 23 in a locked state;

FIG. 25 is a schematic view of the clutch assembly of FIG. 23 in an engaged state;

FIG. 26 is a schematic view of the locking device of FIG. 25 in a unlocked state;

FIG. 27 is a schematic view of the other view of FIG. 25;

FIG. 28 is another view of FIG. 23;

Fig. 29 is an enlarged view of the portion D in fig. 18;

FIG. 30 is another state diagram of FIG. 29;

FIG. 31 is a cross-sectional view of the clutch of FIG. 29;

FIG. 32 is a cross-sectional view of the clutch of FIG. 30;

fig. 33 is a schematic view of the side shift of the first and second engagement members of fig. 29.

Reference numerals in the drawings are described as follows:

1. 14, a fiber supporting mechanism;

21. A first slide plate 22, a drilling assembly;

3. 31, grouting pipe;

4. Rod piece bracket 41, supporting seat 411, locking pin hole 412, avoiding groove 413, guide block 414 and elastic piece;

42. the support arm 421, the toothed plate 422, the L-shaped plate;

43. the clamping assembly 431, the first clamping arm 432 and the second clamping arm;

44. a driving device;

5. a linkage assembly;

51. the clutch device comprises a clutch device, a first clamping piece, a 5111 and a clamping groove;

512. 5121, a clamping block, 5122 and an annular boss;

521. 522 parts of first racks, 522 parts of second racks, 523 parts of first gear rings, 524 parts of second gear rings, 525 parts of transmission rods;

526. a slide rail seat;

53. Locking device 531, bolt, 532, elastic reset piece 533, bolt hole 534 and trigger piece;

535. Swivel pin 536, first connection plate 537, second connection plate 538, insert block 539, slot;

540. a side shifting device;

551. a movable pin, 552, a return spring;

6. and (3) drilling rod.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the present disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implicitly indicating the number, order of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Referring to fig. 1 to 4, the present invention provides a rod bracket 4, which is mounted on a drilling or bolting trolley in a matching manner, and is used for clamping the periphery of a drill rod 6, so that the disturbance of the bending stress generated by gravity and high-speed rotation to the drill rod 6 is reduced when the drilling assembly 22 is moved in the drilling process, and the rod bracket 4 includes a supporting seat 41, a supporting arm 42, a clamping assembly 43 and a driving device 44.

The support base 41 is a base on which other components are mounted, the support arm 42 has a free end and a fixed end pivotally connected to the support base 41, the free end being capable of swinging rotationally about the fixed end in a plane perpendicular to the bar, and has:

the first position, in which the free end is adjacent the drill rod 6 and in the path of movement of the drilling assembly 22, and the second position, in which the free end is clear of the drill rod 6 throughout the rotational oscillation, exits the path of movement of the drilling assembly 22.

The clamping assembly 43 is used for clamping a rod member, in this embodiment, the rod member is a drill rod 6, the clamping assembly 43 includes two first clamping arms 431 and two second clamping arms 432 connected at free ends of the supporting arms 42, wherein the first clamping arms 431 are rotationally connected with the supporting arms 42, and two clamping arms are provided with mutually matched half slots at one ends of the two clamping arms far away from the supporting arms 42, and the clamping assembly comprises:

The first clamping arm 431 rotates away from the second clamping arm 432 in the open state to release the drill rod 6, and the first clamping arm 431 rotates close to the second clamping arm 432 in the closed state until the first clamping arm 432 is completely abutted and the corresponding half groove is surrounded to form a hole for limiting the drill rod 6 to move along the circumferential direction, and the hole is used for the drill rod 6 to pass through.

The driving device 44 is connected to and drives the first clamping arm 431 to rotate away from/close to the second clamping arm 432, so that the two clamping arms are switched between an open state and a closed state. In the open state, the driving device 44 continues the operation of opening the two support arms, so as to drive the support arm 42 to swing away from the support seat 41 until the support arm is in the second position, and when the two clamp arms are in the closed state, the support arm 42 is in the first position.

Compared with the traditional drill rod fixing mechanism, the rod bracket 4 provided by the invention can provide support for the periphery of the middle part of the drill rod 6 and effectively reduce the interference of bending stress by only arranging one driving device to complete the state switching of the two clamping arms and the position change of the supporting arms. As the drilling assembly 22 slides closer to the rod carrier 4, the support arm 42 swings rotationally to the second position, exiting the path of movement of the drilling assembly 22 for drilling operations, the drilling assembly 22 is safer to drill, does not strike the rod carrier 4, and the drilling depth is equivalent to the effective length of the drill rod 6.

In one embodiment, a locking mechanism is disposed between the supporting seat 41 and the supporting arm 42, where the locking mechanism is used to prevent the two clamping arms from being fixed at the first position when the two clamping arms are not still in the open state, prevent the supporting arm 42 from swinging rotationally to the second position, ensure the operation sequence of swinging rotationally after the two clamping arms are completely open and separated from the drill rod 6, avoid any element of the rod bracket 4 from impacting the drill rod 6, and affect drilling operation, so that the drilling assembly 22 can work continuously in the process of rotating and avoiding the drilling assembly 22, and improve the working efficiency.

In one embodiment, the locking mechanism includes a locking pin slidably disposed on the support arm 42 and driven by the driving device 44, and a locking pin hole 411 disposed on the support seat 41, wherein the locking pin is linked with one of the two clamping arms, and has:

The lock releasing state, the two clamping arms rotate until the two clamping arms are opened, the lock pin synchronously and gradually retreats from the lock pin hole 411 until the two clamping arms are completely opened, the lock pin completely retreats from the lock pin hole 411, the driving device 44 continues the previous operation, the driving device drives the supporting arm 42 to rotationally swing to the second position, and the lock pin moves and is dislocated with the lock pin hole 411;

In the locked state, the driving device 44 is reversely operated relative to the unlocking state, the supporting arm 42 rotates and swings to the first position, meanwhile, the lock pin moves and is communicated with the lock pin hole 411, the driving device 44 continues the previous operation to drive the lock pin to extend into the lock pin hole 411, and the two clamping arms synchronously rotate to be close to each other to the folding state.

Referring to fig. 1 to 7, in one embodiment, the second clamping arm 432 is rotatably connected to the supporting arm 42, and a linkage device is disposed between the first clamping arm 431 and the second clamping arm 432, so that the state switching of the two clamping arms can be completed only by a driving device 44, and the structure is simple. Referring to fig. 8-13, the linkage device may be that two arms are provided with mutually meshed gear sets at the pivot joint of the free ends of the supporting arms 42, and the driving device is pivoted at one end of the first arm 431 away from the supporting arms 42, and moves to drive the first arm 431 to rotate, and the gear sets are used to drive the second arm 432 to rotate and move away from the first arm 431, so as to finally realize that the two arms are in an open state. Referring to fig. 8-10, in this embodiment, the lock pin is a toothed plate 421 engaged with one gear of the gear set, an L-shaped plate 422 guiding the toothed plate to slide is connected to the support arm 42 by a bolt, and the toothed plate 421 will eventually abut against the L-shaped plate 422 when moving away from the lock pin hole 411, so as to limit the release of the toothed plate from the support arm 42. A guide block 413 is arranged at the lock pin hole 411 of the support seat 41, an arc surface for the support arm 42 to rotate and guide is arranged between the guide block 413 and the support seat 41, an avoidance groove 412 corresponding to the lock pin hole 411 is further formed in the guide block 413, and the toothed plate 421 is always in sliding connection in the avoidance groove 412. The specific working principle is as follows:

As shown in fig. 8 and 11, the driving means 44 is operated, the gear set is rotated until it is opened, and in the process, the rack 421 slides upward along the L-shaped plate 422 until it exits the lock pin hole 411, and finally abuts against the top of the L-shaped plate. The driving device continues the operation, the toothed plate 421 is forced to drive the guide block 413 to rotate relative to the supporting seat 41, the L-shaped plate 422 is fixedly connected with the supporting arm 42, and the L-shaped plate 422 and the supporting arm synchronously swing until the L-shaped plate and the supporting arm are positioned at the second position. When the guide block 413 is in contact with the supporting seat 41, the supporting arm 42 is in a first position or a second position, and the continuous rotation is limited, wherein in the first position, the avoiding groove 412 is communicated with the lock pin hole 411, and in the other positions, the avoiding groove 412 is misplaced with the lock pin hole 411, so that the lock pin is limited to extend into the lock pin hole 411, and the sequence of the state switching of the clamping arm and the position change of the supporting arm 42 is ensured. Compared with the existing partial handrail mechanism, at least two or more driving devices are needed for realizing the opening and closing and the side swinging of the sequence, and the embodiment can realize the opening and the closing and the side swinging according to a certain sequence by only matching one driving device with a gear set, so that the structure is simple.

In one embodiment, the driving device 44 is an oil cylinder, one end of the driving device is pivoted to the support seat 41 at a position further away from the clamping arm than the fixed end of the supporting arm 42, and the other end of the driving device is pivoted to the first clamping arm 431 at an end further away from the supporting arm 42. The telescopic stroke of the oil cylinder is shortened, the state switching of the two clamping arms and the position change speed of the supporting arm 42 are faster, and the risk that the drilling operation impacts the rod piece bracket 4 is reduced.

In one embodiment, an elastic member 414 for accelerating the swinging of the support arm 42 from the first position to the second position is disposed between the support arm 42 and the support seat 41, and the elastic member 414 is a double-hook spring, and is in a stretched state in the first position, so as to accelerate the swinging of the support arm 42 to the second position, and rapidly exit from the moving path of the drilling assembly 22, thereby improving the drilling safety.

As shown in fig. 14 to 30, the application further provides an operation arm of the anchor bar trolley provided with the rod piece bracket 4 of the embodiment, which comprises a pushing beam 1, a first sliding plate and a drilling assembly 22, wherein the rod piece bracket 4 is arranged on the first sliding plate. The drilling assembly 22 is inserted into the fixed drill rod 6 for drilling a bolt mounting hole in the rock wall, and the rod carrier 4 is used for providing support for the drill rod 6.

The propelling beam 1 is a straight section, the length direction of the propelling beam 1 is the first direction, the propelling beam 1 extends along the first direction and is provided with a front end and a rear end, the front end abuts against a rock wall to realize relative fixation between an operation arm and the rock wall, and drilling of the drilling assembly 22 is facilitated.

The first slide plate 21 is used for supporting and fixing the drilling assembly 22 and the grouting assembly 3, and is slidably mounted on the pushing beam 1, and a sliding rail and a sliding way which are matched with each other are generally arranged between the two, so that the first slide plate 21 can slide along a first direction,

The drilling assembly 22 is slidably mounted on the first slide plate 21 in a second direction which is not co-directional with the first direction, and has:

the first working position is that the drilling assembly 22 is positioned at the rear end of the push beam 1, the drill rod axial line of the drilling assembly is positioned at the central line position of the push beam 1, and the drilling assembly 22 can slide along the first direction to drill the rock wall in the first working position;

In the first standby position, the drilling assembly 22 withdraws the rear end of the push beam 1 along the first direction after drilling is completed, slides along the second direction, drives the drill rod 6 to shift synchronously, avoids a space for other assemblies to work, and facilitates subsequent operation. In this embodiment, the other components are grouting components 3 for grouting operation, and the grouting components 3 can be abutted against the anchor rods 7, slidably mounted on the push beam 1, and slide along the first direction.

The rod bracket 4 is fixedly connected to the push beam 1 and is used for supporting the rod bracket 4 of the drill rod, the rod bracket 4 is provided with a rotating mechanism, and a space for avoiding the drill hole assembly 22 to slide along the first direction can be reserved in a rotating mode, specifically, when the drill hole assembly 22 slides to be close to the rod bracket 4, the rod bracket 4 is separated from the drill rod 6, and the drill hole assembly 22 can slide continuously through rotation, so that subsequent drilling operation is completed.

A linkage assembly 5 with a clutch device 51 is arranged between the rod bracket 4 and the drilling assembly 22, so that the rod bracket 4 is fixed or in a sliding state relative to the propelling beam 1.

The rod carrier 4 is synchronously movable with the drilling assembly 22 in a second direction, both having:

In the combined state, the drilling assembly 22 slides along the first sliding plate 21 along the first direction, the clutch device 51 is separated, the linkage assembly 5 does not work, and the rod piece bracket 4 is fixed relative to the push beam 1;

In the disengaged state, the drilling assembly 22 slides along the second direction, the clutch device 51 is combined, the linkage assembly 5 works, and the rod piece bracket 4 slides synchronously under the driving of the sliding of the drilling assembly 22. Compared with the traditional structure which realizes deflection by means of deformation of the drill rod, the drill rod 6 is free from bending stress when in the first standby position, after the drill rod 22 is repeatedly switched to the position state, the drill rod is repeatedly subjected to bending stress, and finally the situation of fracture occurs, and the drill rod 6 in the operating arm always keeps the same axis with the drill rod 22, is free from the bending stress, and improves the use safety.

In one embodiment, in the first working position, the front end of the pushing beam 1 is provided with a fiber supporting mechanism 14 for clamping the front end of the drill rod or the anchor rod, the drilling assembly 22 is fixedly connected with the rear end of the drill rod 6, and the rod bracket 4 is generally arranged in the middle of the pushing beam 1 and supports the middle of the drill rod. Under the condition of three-point support, the drill rod 6 has a structure with only front end and rear end for supporting the drill rod compared with the prior art, thereby avoiding bending and even breaking of the longer drill rod 6 during drilling and improving the use safety.

In one embodiment, the clutch device 51 includes a first engaging member 511 and a second engaging member 512 that are mutually matched, the first engaging member 511 is linked with the drilling assembly 22, the second engaging member 512 is linked with one of the components in the linkage assembly 5 to drive the rod bracket 4 to slide synchronously, when the drilling assembly 22 slides along with the first sliding plate 21 along the first direction, the two engaging members are separated, and when the drilling assembly 22 slides along the second direction, the two engaging members are combined. Both clamping members are assembled from a plurality of plates, wherein the first clamping member 511 is fixedly connected to the rear portion 212 and slides synchronously with the drilling assembly 22. The second engaging member 512 is slidably fixed to the feed beam 1, and includes:

A movable state in which the clutch device 51 is combined, and the rod bracket 4 and the drilling assembly 22 can slide synchronously;

in the fixed state, the clutch device 51 is separated, the rod bracket 4 is fixed relative to the push beam 1, and the rod bracket 4 is prevented from shifting when the drilling assembly 22 slides along the first direction. So that the drill rod 6 is always supported by at least two points and remains straight and is not subjected to bending stresses.

The first engaging member 511 and the second engaging member 512 are fixedly connected to the drilling assembly 22, wherein one side is provided with a slot 5111 with an opening, and the other side is provided with a clamping block 5121 which can enter the slot from the opening, and when the drilling assembly 22 slides along the first sliding plate 21 along the first direction, the clamping block 5121 is separated from the slot 5111 from the opening. The opening orientation is along first direction towards the rear end, is the U type, and fixture block 5121 is established along the second direction is protruding, and has the annular boss 5122 that restricts oneself along the second direction and deviate from draw-in groove 5111, when realizing the combination, member bracket 4 can with drilling subassembly 22 along the synchronous reciprocating motion of second direction, remains the drilling rod not receive bending stress effect all the time.

In one embodiment, the linkage assembly 5 includes a first rack 521 and a second rack 522 respectively linked with the drilling assembly 22 and the rod bracket 4, and a transmission rod 525 fixed on the push beam 1 and having a first gear ring 523 and a second gear ring 524 at two ends, wherein the first gear ring 523 and the second gear ring 524 are respectively meshed with the first rack 521 and the second rack 522, and the second engaging member 512 is fixedly connected with the first rack 521. The side wall fixedly connected with of the push beam 1 follows the slide rail seat 526 that the second direction extends, and slide rail seat 526 is two sets of, arranges in second fastener 512 and member bracket 4 below respectively, and slidable mounting has above-mentioned two racks on two slide rail seats 526 respectively, and two ring gears are fixed mounting respectively in the lower part that corresponds at slide rail seat 526, and specific synchronous slip mode is:

the drilling assembly 22 slides along the second direction, drives the second clamping piece 512 to synchronously slide along the same direction with the first rack 521 fixedly connected with the second clamping piece, and the first gear ring 523 rotates, and drives the second gear ring 524 to synchronously rotate along the same direction with the first gear ring 523 by virtue of the transmission rod 525, so that the second rack 522 synchronously slides along the same direction with the first rack 521. The whole process is completely synchronous, and the gear engagement precision is high, so that the drill rod is ensured not to be affected by bending stress all the time.

In one embodiment, the linkage assembly 5 includes a locking device 53, which is used to lock the rod bracket 4 when the drilling assembly 22 slides along the first direction, so as to prevent the rod bracket 4 from being displaced due to high-frequency vibration, so that the rod bracket 4 is prevented from sliding and shifting due to vibration when the drilling assembly 22 is used for drilling, and the drill rod is prevented from being broken after being stressed in the middle. When the drilling assembly 22 slides in the second direction, the locking device 53 releases the lock, and the rod bracket 4 and the drilling assembly 22 slide synchronously.

In one embodiment, the locking device 53 includes a latch 531 slidably mounted on the second engaging member 512, an elastic reset member 532 acting on the latch 531, and a latch hole 533 provided on the push beam 1 and engaged with the latch 531, wherein when the drilling assembly 22 slides in the first direction, the two engaging members are separated, the latch 531 is inserted into the latch hole 533, and when the drilling assembly 22 slides in the second direction, the two engaging members are combined, and the latch 531 is withdrawn from the latch hole 533. The two locking parts are generally provided with corresponding unlocking parts for driving the bolts 531 to insert into/withdraw from the bolt holes 533, and the unlocking parts are driven by the change of the sliding direction of the drilling assembly 22, so that the locking device 53 is changed between a locking state and a unlocking state to cooperate with the work of the drilling assembly 22 and the synchronous sliding function of the rod bracket 4.

In one embodiment, the second engaging member 512 is provided with a trigger member 534 connected to the latch 531 through a lever mechanism, and the first engaging member 511 has a slope for pressing the trigger member 534 to unlock the locking device 53. The lever structure is for including the rotatory round pin 535 on the second fastener 512, it is as the fulcrum, and with the first connecting plate 536 of trigger 534 connection fixed, and the second connecting plate 537 of being connected with bolt 531, first connecting plate 536 and second connecting plate 537 are first arm of force and second arm of force respectively, two connecting plates pin joint are fixed in rotatory round pin 535, and rotate with this rotatory round pin 535 syntropy, and the rotation of one of them connecting plate relies on another connecting plate drive, and realize locking device's unblock or release lock, specifically:

Unlocking, the drilling assembly 22 slides towards the rear end along the first direction until the first clamping piece 511 abuts against the trigger piece 534, and when the drilling assembly continues to slide to stop, in the process, the first connecting plate 536 is driven by the trigger piece 534 to rotate anticlockwise, the second connecting plate 537 is driven by the rotating pin 535 to rotate anticlockwise, the bolt 531 fixed at the free end of the second connecting plate 537 moves vertically upwards, meanwhile, the elastic reset piece 532 is compressed, finally, the bolt 531 completely exits the bolt hole 533, unlocking is completed, and the drilling assembly 22 can slide towards the second direction at any time and drives the rod bracket 4 to slide synchronously;

The drilling assembly 22 is locked to slide towards the front end in the first direction until the first engaging member 511 is separated from the triggering member 534, in the process, the elastic reset member 532 drives the bolt 531 to vertically move downwards to extend into the bolt hole 533, the second connecting plate 537 is driven to rotate clockwise around the rotating pin 535, and the first connecting plate 536 is driven to rotate clockwise by the rotating pin 535 until the bolt 531 completely extends into the bolt hole 533 to stop, so that the rod bracket 4 is limited to deflect when the drilling assembly 22 drills. The unlocking and unlocking operations of the locking device 53 are mutually linked with the position state switching of the drilling assembly 22, so that the rod piece bracket 4 can synchronously slide or relatively fix along with the state switching of the drilling assembly 22, the synchronism is high, and the drill rod is always ensured not to be influenced by bending stress. The trigger piece 534 is a cylinder, and is in guide contact with the inclined plane more smoothly, so that unlocking operation is smoother.

In another embodiment, as shown in fig. 18 and 29-33, the clutch device 51 includes a first engaging member 511 and a second engaging member 512, which are mutually matched, the first engaging member 511 is linked with the drilling assembly 22, and the second engaging member 512 is linked with one of the components in the linkage assembly 5. The second engaging member 512 has a slot 5111, the first engaging member 511 has a clamping block 5121 matching with the slot 5111, the locking device 53 includes a movable pin 551 slidably mounted on the second engaging member 512 along the first direction, one end of the movable pin 511 is an unlocking end abutting against the first engaging member 511 to trigger unlocking, the other end is provided with a locking end of the insert block 538, and correspondingly, the push beam 1 is provided with a slot 539 matching with the insert block 538. The movable pin 551 is provided with a return spring 552 for driving the movable pin 551 to return, and in this embodiment, the slot 529 is provided on the slide rail seat 526. The specific clutch locking mode is as follows:

The first clamping piece 511 is unlocked, and moves back to the first working position along with the drilling assembly 22 along the first direction, is inserted into the clamping groove 5111 by virtue of the clamping block 5121 in a sliding manner, and slides along the first direction by abutting against the movable pin 551 until the inserting block 538 exits from the inserting groove 539, and the unlocking is completed. Simultaneously, the return spring 552 is compressed, and the drilling assembly 22 can slide in the second direction at any time and drive the second clamping piece 512 to synchronously move laterally;

The first clamping piece 511 moves forward along with the drilling assembly 22 along the first direction, so that the clamping block 5121 exits the clamping groove 5111, the reset spring 552 drives the movable pin 551 to reset along the first direction, the insert block 538 is clamped into the slot 539, the second clamping piece 512 is fixed relative to the slide rail seat 526, and the rod piece bracket 4 is fixed relative to the pushing beam 1, so that the stability of drilling operation is ensured. The engaging structure of the engaging and disengaging device 51 and the locking device 53 of this embodiment is simpler and the stability is higher. In a preferred embodiment, as shown in fig. 33, a side shifter 540, typically a hydraulic ram, is fixedly mounted on the outside of second engagement member 512 to slide in a second direction to assist in faster switching of drilling assembly 22 to the first standby position.

The rod piece bracket of the embodiment can provide a circle of support for the peripheral wall of one part of the rod piece, eliminate the influence of gravity and centripetal force during high-speed rotation, and reduce disturbance. And only rely on a drive arrangement to realize opening/folding state switching of two arm clamps to and the position switching of support arm, compare with traditional many drive arrangement actuating mechanism for drilling subassembly continuous incessant forward movement work, drilling depth equals the effective length of drilling rod, improves work efficiency.

The operating arm of the anchor rod trolley is provided with the rod bracket arranged in the middle of the propelling beam, the linkage assembly is arranged with the drilling assembly and can synchronously slide with the drilling assembly, and the gear is meshed with the linkage assembly, so that the translation precision is high, the drill rod is kept free from the bending stress effect all the time, the linkage assembly is also provided with the clutch device, the clutch device is separated when the drilling assembly moves forward at the first working position, the corresponding locking device is locked, the rod bracket is kept fixed with the propelling beam, and the rod bracket is prevented from being deviated due to vibration caused by high-frequency drilling, so that the drill rod is prevented from being subjected to the bending stress effect when drilling is performed.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.

Claims

1. The member bar bracket, its characterized in that includes:

A support base;

the clamping assembly comprises a first clamping arm and a second clamping arm which are connected with the supporting arm, wherein the first clamping arm and the second clamping arm are both connected with the supporting arm in a rotating way, and the two clamping arms are in an opening state for releasing the rod piece and a closing state for limiting the rod piece to move;

The driving device is used for driving the first clamping arm to rotate so that the two clamping arms are switched between an open state and a closed state;

The locking mechanism is arranged between the supporting seat and the supporting arm and used for preventing the supporting arm from swinging, the locking mechanism is unlocked when the two clamping arms are in an open state, and the locking mechanism comprises a locking pin which is arranged on the supporting arm in a sliding manner and driven by the driving device, and a locking pin hole arranged on the supporting seat;

The linkage is arranged between the first clamping arm and the second clamping arm, the linkage is a gear set, a toothed plate meshed with one gear is arranged on the lock pin, an L-shaped plate which guides and slides on the toothed plate is arranged on the support arm, the toothed plate is abutted to the L-shaped plate when being far away from the lock pin hole, the toothed plate is limited to deviate from the support arm, a guide block is arranged at the lock pin hole of the support seat, a cambered surface for the support arm to rotationally guide is arranged between the guide block and the support seat, an avoidance groove corresponding to the lock pin hole is further formed in the guide block, and the toothed plate is slidably inserted in the avoidance groove.

2. The lever bracket of claim 1, wherein the second clamp arm is rotatably coupled to the support arm, and wherein a linkage is provided between the first clamp arm and the second clamp arm.

3. A rod carrier as in claim 2 wherein said drive means continues to urge said support arm to swing from the first position to the second position while both arms are in the open condition.

4. A rod bracket according to claim 3, wherein the driving means is an oil cylinder, and both ends of the oil cylinder are respectively rotatably connected to the support base and the first clamp arm.

5. A rod cradle according to claim 3, wherein a resilient member is provided between the support arm and the support seat to urge the support arm to swing back from the first position to the second position.

6. The operating arm of stock platform truck, its characterized in that includes:

A push beam extending along a first direction;

The rod carrier of any one of claims 1-5, wherein the support arm swings from the first position to the second position when the two clamp arms are switched from the closed state to the open state when the first slide slides in the first direction to approach the rod carrier.

7. The operating arm of the bolting jumbo according to claim 6, characterized in that a linkage assembly with a clutch is provided between the bar carrier and the drilling assembly, which can move with the drilling assembly in the second direction, when the drilling assembly slides with the first slide plate in the first direction, the clutch is disengaged, the bar carrier remains stationary, when the drilling assembly slides in the second direction, the clutch is engaged, and the bar carrier slides synchronously.