CN221119980U - Tunnel engineering excavation operation rack - Google Patents

Abstract

The utility model belongs to the technical field of tunnel engineering, and particularly discloses a tunnel engineering excavation operation bench which comprises a bench body, wherein connecting rods which are horizontally arranged are connected to two opposite sides of the bench body, limiting units are arranged at two ends of each connecting rod, each limiting unit comprises an inserting rod and a limiting piece, a sliding cavity is formed in the end part of each connecting rod, each inserting rod is inserted into each sliding cavity and is in sliding fit with the corresponding connecting rod in the axial direction, an elastic piece is connected between one end of each inserting rod and the inner wall of each sliding cavity, each limiting piece can limit the corresponding inserting rod to slide so that the corresponding elastic piece is compressed, and when the corresponding inserting rod is released, the corresponding elastic piece can reset, and when the corresponding elastic piece resets, the corresponding inserting rod can slide outwards along the axial direction of the corresponding connecting rod. The utility model can improve the stability of the operation bench, thereby improving the use safety.

Description

Tunnel engineering excavation operation rack

Technical Field

The utility model relates to the technical field of tunnel engineering, in particular to a tunnel engineering excavation operation bench.

Background

The working bench is a device specially used for assisting workers in high-altitude construction, and is used when a tunnel needs to be excavated along with the development of society.

The inventor finds in daily work that the unstable condition can appear in the operation rack in the in-process of using, through promoting operation rack equipment to appointed position in prior art scheme, the worker is on the equipment to the worker is under construction to the tunnel, but the worker can produce great thrust in the in-process of construction, leads to the unstable problem of operation rack to appear, and then the security problem easily appears.

Disclosure of utility model

The utility model provides a tunnel engineering excavation operation bench, and aims to improve stability of the operation bench, so that use safety is improved.

The utility model is realized by the following technical scheme: the utility model provides a tunnel engineering excavation operation rack, includes the rack body, the both sides that the rack body is relative all are connected with the connecting rod that the level set up, the both ends of connecting rod all are equipped with spacing unit, spacing unit includes inserted bar and locating part, the sliding chamber has been seted up to the tip of connecting rod, the inserted bar inserts in the sliding chamber with the axial sliding fit of connecting rod, the one end of inserted bar with be connected with the elastic component between the inner wall in sliding chamber, the locating part can restrict the inserted bar and slide and make the elastic component compressed, the locating part release can make the elastic component reset when the inserted bar, the elastic component can make the inserted bar slide outside the sliding chamber along the axial of connecting rod when resetting.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

In this scheme through seting up the hole groove at the lateral wall of tunnel, after placing the operation rack in this scheme to the assigned position, make the both ends of connecting rod just to the hole groove of tunnel both sides respectively, then make locating part release inserted bar, the inserted bar will slide outside the sliding chamber along the axial of connecting rod under the reset action of elastic component, thereby make the tip of inserted bar insert the hole inslot, after the inserted bar on four angles of stage body all inserts the hole groove on the tunnel like this, can play spacing effect to whole operation rack, can ensure the stability of operation rack, avoid operation rack tipping over in the work progress, shift, thereby the security of construction has been improved.

Further, a sliding groove is formed in one side of the connecting rod along the axial direction of the connecting rod, an adjusting handle is connected to one side of the inserting rod, one end of the adjusting handle extends out of the sliding groove and can slide along the sliding groove, and the limiting piece can limit the adjusting handle to slide.

The beneficial effects are that: in this scheme, through the slip of locating part restriction regulation handle, and compress the elastic component, make the elastic component energy storage, when the locating part release was adjusted the handle, the elastic component resets and makes the inserted bar stretch out, and the sliding fit between adjustment handle and the spout can also play the effect of direction to the slip of inserted bar and adjustment handle, makes the slip of inserted bar more stable.

Further, the locating part includes the guide block and supports the pole, the guide block with the outside of connecting rod is connected, support the pole and be 7 font, the through-hole has been seted up on the guide block, support the pole and insert behind the through-hole and can restrict and adjust the handle and remove.

The beneficial effects are that: the limiting piece in this scheme adopts the guide block to realize restriction or release and adjusts the handle with the mutual cooperation of supporting the pole, and the supporting pole is 7 font, can utilize supporting pole itself peculiar shape like this under the condition that does not increase other structures, make supporting pole upper portion transverse portion realize the contact cooperation with between the guide block tip, and realize the spacing to the supporting pole, can guarantee to support the pole when sliding in the through-hole of guide block again, can avoid supporting the pole to drop from this through-hole again, whole simple structure just convenient operation, after upwards mention supporting the pole, can realize adjusting the handle, and after the downward drop supporting pole, the supporting pole can support and restrict the removal of adjusting the handle with adjusting the handle.

Further, a guide groove is formed in the vertical portion of the supporting rod, a limit column is connected to the inner wall of the through hole of the guide block, and the limit column penetrates through the guide groove.

The beneficial effects are that: the guide groove that sets up on the butt pole in this scheme cooperates with the spacing post in the guide block through-hole, can upwards slide the effect that plays spacing to the butt pole, avoids the butt pole to be pulled out the guide groove completely, can avoid like this to support the pole and lose in handling.

Further, the connecting rods on two opposite sides of the rack body are respectively provided with two connecting rods, and two ends of each connecting rod are respectively provided with the limiting unit.

The beneficial effects are that: in this scheme make every angle of rack body all have two sets of limit units, can further improve the stability after whole operation rack and the tunnel installation like this.

Further, the rack body includes first support frame and second support frame, pass through between first support frame and the second support frame connect into an organic wholely through the connecting rod, be connected with the polylith backup pad between the connecting rod of rack body both sides.

The beneficial effects are that: in this scheme the polylith backup pad has played the effect of supporting the mesa, and the workman can stand in the backup pad and construct.

Further, the both sides of rack body all are connected with the protection rail.

The beneficial effects are that: the security when the protection rail can improve workman's construction.

Further, the protective fence comprises a barrier strip and a plurality of supporting rods, wherein the supporting rods are sequentially distributed along the length direction of the supporting plate, the supporting rods are L-shaped, the transverse parts of the supporting rods are connected with the supporting plate, and the barrier strip is connected with the ends of the vertical parts of the supporting rods.

The beneficial effects are that: the protective fence in this scheme comprises blend stop and bracing piece, its simple structure.

Further, the protection fence is detachably connected with the rack body, limiting rods are further connected to two opposite sides of the rack body, the limiting rods are located right above the connecting rods, positioning rods are connected to two ends of the barrier strips, positioning holes matched with the positioning rods at two ends of the barrier strips in an inserting mode are formed in the limiting rods, and the positioning rods at two ends of the barrier strips can be inserted into the positioning holes in the two limiting rods respectively; the end of the supporting plate is provided with a jack, and the supporting rod can be inserted into or pulled out of the jack.

The beneficial effects are that: in this scheme the blend stop inserts the locating hole through the locating lever and realizes the dismantlement cooperation with the gag lever post, and the bracing piece realizes the dismantlement cooperation with the backup pad through inserting the jack to realize that the dismantlement cooperation between the whole and the rack body of protection rail is connected, convenient transportation and installation like this.

Further, the locating rod is in threaded connection with the barrier strip.

The beneficial effects are that: so set up, the locating lever is changed in the later stage of being convenient for, and after the guard rail is whole of easy to assemble, rethread inserts the locating lever and realizes being connected the cooperation with the blend stop with the gag lever post, avoids producing the interference when inserting the bracing piece, and the operation is more convenient quick.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a perspective view of a tunnel engineering excavation work bench according to the present utility model in a front view of example 1;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view, partly in section, of an embodiment 1 of a tunnel engineering excavation work bench of the present utility model;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a perspective view, partly in section, of an embodiment 2 of a tunnel engineering excavation work bench of the present utility model;

Fig. 6 is a partial enlarged view at C in fig. 5.

In the drawings, the reference numerals and corresponding part names:

The first support frame 1, the second support frame 2, the limit unit 3, the spring 31, the guide groove 32, the inserted link 33, the guide block 34, the adjusting handle 35, the supporting link 36, the connecting link 37, the chute 38, the protective fence 4, the support bar 42, the blocking bar 43, the positioning link 44, the positioning hole 45, the limit link 46 and the support plate 5.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

As shown in fig. 1, this embodiment 1 provides a tunnel engineering excavation operation rack, including the rack body, the both sides that the rack body is relative all are connected with the connecting rod 37 that the level set up, and the both ends of connecting rod 37 all are equipped with spacing unit 3 to make four angles of rack body all have spacing unit 3.

The connecting rods 37 on two opposite sides of the rack body are respectively provided with two connecting rods 37 in the embodiment, and the two ends of each connecting rod 37 are respectively provided with the limiting units 3, so that each corner of the rack body is provided with two limiting units 3 which are distributed up and down.

In this embodiment, the rack body includes first support frame 1 and second support frame 2, connect into an organic wholely through connecting rod 37 between first support frame 1 and the second support frame 2, be connected with polylith backup pad 5 between the connecting rod 37 of rack body both sides, the both ends of bracing piece 42 can with connecting rod 37 welded fastening, also can take on connecting rod 37, perhaps realize fixed connection through the bolt, the interval between polylith backup pad 5 can be set for according to actual need, guarantee that the workman can not step on from between the adjacent backup pad 5 can, also can avoid the workman to step on the sky again to place platelike panel on the backup pad 5.

In the embodiment, the ladder is arranged on the bench body, so that the operator can climb to the top end of the bench body through the ladder conveniently.

As shown in fig. 2, the limiting unit 3 includes a plunger 33 and a limiting member, a sliding cavity is formed at an end of the connecting rod 37, the plunger 33 is inserted into the sliding cavity to axially slidably cooperate with the connecting rod 37, an elastic member is connected between one end of the plunger 33 and an inner wall of the sliding cavity, as shown in fig. 3 and 4, the elastic member in this embodiment is a spring 31, the limiting member can limit the plunger 33 to slide to compress the elastic member, the elastic member can be reset when the limiting member releases the plunger 33, and the plunger 33 can slide along an axial direction of the connecting rod 37 to an outer side of the sliding cavity when the elastic member resets, specifically:

A sliding groove 38 is formed in one side of the connecting rod 37 along the axial direction of the connecting rod, an adjusting handle 35 is vertically connected to one side of the inserting rod 33, the adjusting handle 35 is in threaded connection or welded with the inserting rod 33 in the embodiment, one end of the adjusting handle 35 extends out of the sliding groove 38 and can slide along the sliding groove 38, and the limiting piece can limit the sliding of the adjusting handle 35.

In this embodiment, the limiting member includes a guide block 34 and a supporting rod 36, the guide block 34 and the outer side of the connecting rod 37 are welded and fixed or integrally formed, the supporting rod 36 is 7-shaped, a through hole is formed in the guide block 34, the position of the guide block 34 is higher than that of the adjusting handle 35, the supporting rod 36 can support the adjusting handle 35 after being inserted into the through hole, so that the adjusting handle 35 is limited to move to the outer side of the sliding cavity of the connecting rod 37, the transverse portion of the supporting rod 36 can support the top end of the guide block 34, thereby limiting the supporting rod 36, and the transverse portion of the supporting rod 36 is convenient for manually lifting the supporting rod 36 upwards.

In this embodiment, the vertical portion of the supporting rod 36 is provided with the guide groove 32, the guide groove 32 is in a long strip shape, the inner wall of the through hole of the guide block 34 is connected with the limit post, the limit post passes through the guide groove 32, the supporting rod 36 can play a role in guiding the vertical sliding of the supporting rod 36 through the cooperation of the limit post and the guide groove 32 in the vertical sliding process, and meanwhile, the limit post can prevent the supporting rod 36 from being pulled out to pass through, so that the stability of the supporting rod 36 is ensured, and the supporting rod 36 is prevented from falling.

The specific implementation process is as follows: when the operation bench is used, the equipment is moved to a designated position, hole slots are formed in two sides of a tunnel, then the supporting rod 36 is lifted, the supporting rod 36 is guided by the guide ring, the supporting rod 36 is far away from the adjusting handle 35, the adjusting handle 35 loses the constraint of the supporting rod 36 on the supporting rod, at the moment, the spring 31 is reset to push the inserting rod 33 to slide to the outer side of the sliding cavity of the connecting rod 37 and insert into the hole slots, and limiting is completed. Like this, after the inserted link 33 of the spacing unit 3 of four angles of operation rack all inserts the hole groove, can realize the spacing effect to whole operation rack, can effectually guarantee the stability of operation rack.

And in this scheme, the sliding distance of the inserted link 33 can be changed according to the actual width of the tunnel, so that the device can be applied to the tunnel width with a certain difference, and is more practical.

As shown in fig. 5 and 6, embodiment 2 differs from embodiment 1 in that: in this embodiment, two sides of the bench body are connected with protective fences 4.

The protective fence 4 in this embodiment includes a barrier strip 43 and a plurality of support rods 42, the plurality of support rods 42 are distributed in sequence along the length direction of the support plate 5, the support rods 42 are L-shaped, and the transverse portions of the support rods 42 are connected with the support plate 5, and the barrier strip 43 is connected with the end portions of the vertical portions of the plurality of support rods 42.

In this embodiment, the protection fence 4 is detachably connected with the stand body, and specifically: the opposite sides of the rack body are also connected with a limiting rod 46, the limiting rod 46 is located right above the connecting rod 37, as shown in fig. 6, two ends of the barrier strip 43 are both connected with a positioning rod 44, and in this embodiment, the positioning rod 44 is in threaded connection with the barrier strip 43.

The limiting rods 46 are provided with positioning holes 45 which are in plug-in fit with the positioning rods 44 at the two ends of the blocking strip 43, and the positioning rods 44 at the two ends of the blocking strip 43 can be respectively inserted into the positioning holes 45 on the two limiting rods 46; in this embodiment, the end of the support plate 5 near the guard rail 4 is provided with a jack, and the transverse portion of the support rod 42 can be inserted into or withdrawn from the jack.

In this embodiment, the top ends of the plurality of support rods 42 and the barrier strip 43 are welded and fixed together, and when in installation, the plurality of support rods 42 are simultaneously inserted into the insertion holes at the end of the support plate 5, then the positioning rod 44 is in threaded connection with the barrier strip 43, and the bottom end of the positioning rod 44 passes through the lower end of the barrier strip 43 and is inserted into the positioning hole 45 on the limiting rod 46, so that the whole protective fence 4 and the whole operation bench are detachably connected.

The protection fence 4 in this embodiment has avoided the workman to step on the condition that falls because of concentrating excessively and appearing in the in-process of construction, has improved the practicality of operation rack, has improved the auxiliary property of operation rack, and has improved the protection nature of operation rack to the worker.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a tunnel engineering excavation operation rack, includes the rack body, the both sides that the rack body is relative all are connected with the connecting rod that the level set up, a serial communication port, the both ends of connecting rod all are equipped with spacing unit, spacing unit includes inserted bar and locating part, the sliding chamber has been seted up to the tip of connecting rod, the inserted bar inserts the sliding intracavity with the axial sliding fit of connecting rod, the one end of inserted bar with be connected with the elastic component between the inner wall in sliding chamber, the elastic component is compressed to the limiting part can restrict the inserted bar slip and make the elastic component compressed, the limiting part release can make the elastic component reset when the inserted bar, the elastic component can make the inserted bar slide outside along the axial of connecting rod when resetting.

2. The tunnel engineering excavation work bench according to claim 1, wherein a chute is formed in one side of the connecting rod along the axial direction of the connecting rod, an adjusting handle is connected to one side of the inserting rod, one end of the adjusting handle extends out of the chute and can slide along the chute, and the limiting piece can limit the adjusting handle to slide.

3. The tunnel engineering excavation work bench of claim 2, wherein the limiting piece comprises a guide block and a supporting rod, the guide block is connected with the outer side of the connecting rod, the supporting rod is 7-shaped, a through hole is formed in the guide block, and the supporting rod is inserted into the through hole and can limit the movement of the adjusting handle.

4. A tunnel engineering excavation work bench according to claim 3, wherein the vertical portion of the supporting rod is provided with a guide groove, the inner wall of the through hole of the guide block is connected with a limit column, and the limit column passes through the guide groove.

5. A tunnel engineering excavation work bench according to any of claims 1-4, wherein two connecting rods are arranged on two opposite sides of the bench body, and the limiting units are arranged on two ends of each connecting rod.

6. The tunnel engineering excavation work bench of claim 1, wherein the bench body comprises a first support frame and a second support frame, the first support frame and the second support frame are connected into a whole through the connecting rods, and a plurality of support plates are connected between the connecting rods on two sides of the bench body.

7. The tunnel engineering excavation work bench of claim 6, wherein protective fences are connected to both sides of the bench body.

8. The tunnel engineering excavation work bench of claim 7, wherein the protective fence comprises a barrier strip and a plurality of support rods, the plurality of support rods are distributed in sequence along the length direction of the support plate, the support rods are L-shaped, the transverse parts of the support rods are connected with the support plate, and the barrier strip is connected with the ends of the vertical parts of the plurality of support rods.

9. The tunnel engineering excavation working bench according to claim 8, wherein the protective fence is detachably connected with the bench body, limiting rods are further connected to two opposite sides of the bench body, the limiting rods are located right above the connecting rods, positioning rods are connected to two ends of the barrier strips, positioning holes matched with the positioning rods at two ends of the barrier strips in a plugging manner are formed in the limiting rods, and the positioning rods at two ends of the barrier strips can be respectively inserted into the positioning holes in the two limiting rods; the end of the supporting plate is provided with a jack, and the supporting rod can be inserted into or pulled out of the jack.

10. The tunnel engineering excavation work bench of claim 9, wherein the locating rod is threadably coupled to the barrier strip.